National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Weather observations for the past three days for
Chester County Airport
Imperial (Metric)
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
09 19:55 Vrbl 5 10.00 Fair CLR 49.5 31.5 56.8 49.5 50% 48 30.42 0.0
09 19:35 S 6 9.00 Fair CLR 50 28.9 44% 48 30.41 0.0
09 19:15 Vrbl 6 10.00 Fair CLR 51.1 26.8 39% 30.41 0.0
09 18:55 SE 7 10.00 Fair CLR 52.3 27.7 39% 30.42 0.0
09 18:35 SE 8 10.00 Fair CLR 53.1 27.9 38% 30.42 0.0
09 18:15 Vrbl 7 10.00 Partly Cloudy SCT220 54 29.1 39% 30.42 0.0
09 17:55 SE 6 9.00 Partly Cloudy SCT220 55 30.2 39% 30.42 0.0
09 17:35 SE 8 10.00 Partly Cloudy SCT230 54.7 30.7 40% 30.43 0.0
09 17:15 Vrbl 7 10.00 Partly Cloudy SCT230 55.2 30.6 39% 30.43 0.0
09 16:55 Vrbl 7 9.00 Fair CLR 55.6 30.9 39% 30.44 0.0
09 16:35 Vrbl 7 9.00 Fair CLR 55.8 31.6 40% 30.44 0.0
09 16:15 S 10 G 20 9.00 A Few Clouds FEW200 55.9 32 40% 30.44 0.0
09 15:55 Vrbl 6 9.00 Fair CLR 56.8 32.9 40% 30.45 0.0
09 15:35 S 9 9.00 Fair CLR 56.1 32 40% 30.45 0.0
09 15:15 SE 10 9.00 Fair CLR 55.2 32 41% 30.47 0.0
09 14:55 SE 10 10.00 Fair CLR 55.8 32 41% 30.48 0.0
09 14:35 Vrbl 7 9.00 Fair CLR 54 32.4 44% 30.48 0.0
09 14:15 S 8 9.00 Fair CLR 54 33.3 46% 30.49 0.0
09 13:55 Vrbl 6 9.00 Fair CLR 53.6 32.7 53.6 34.2 45% 30.5 0.0
09 13:35 SE 8 9.00 A Few Clouds FEW380 51.8 32.4 48% 30.51 0.0
09 13:15 Vrbl 6 9.00 A Few Clouds FEW350 51.3 32 48% 30.52 0.0
09 12:55 Vrbl 6 9.00 Fair CLR 50.2 33.3 52% 30.53 0.0
09 12:35 S 8 10.00 Fair CLR 49.8 32 50% 47 30.54 0.0
09 12:15 S 5 9.00 Fair CLR 47.7 33.1 57% 46 30.54 0.0
09 11:55 Vrbl 7 10.00 Fair CLR 47.1 32.7 57% 44 30.56 0.0
09 11:35 Vrbl 7 10.00 Fair CLR 46 32.9 60% 43 30.56 0.0
09 11:15 Vrbl 6 10.00 Fair CLR 44.4 34.2 67% 42 30.56 0.0
09 10:55 Vrbl 6 10.00 Fair CLR 43.3 33.4 68% 40 30.56 0.0
09 10:35 SE 6 9.00 Partly Cloudy SCT016 42.1 35.2 77% 39 30.57 0.0
09 10:15 Vrbl 6 9.00 Overcast OVC015 40.1 34.7 81% 37 30.57 0.0
09 09:55 Vrbl 3 9.00 Overcast OVC012 38.7 34.5 85% 30.58 0.0
09 09:35 Vrbl 3 9.00 Overcast OVC012 38.1 34.7 88% 30.58 0.0
09 09:15 S 8 10.00 Overcast OVC012 37 34 89% 32 30.58 0.0
09 08:55 Vrbl 5 10.00 Overcast OVC011 37 35.2 93% 34 30.58 0.0
09 08:35 SE 3 8.00 Overcast OVC011 36 34.9 96% 30.59 0.0
09 08:15 Vrbl 3 7.00 Overcast OVC010 35.1 34.5 98% 30.59 0.0
09 07:55 Calm 7.00 Overcast OVC009 33.8 33.8 33.8 29.7 100% 30.58 0.0
09 07:35 Calm 6.00 Fog/Mist OVC009 33.3 33.3 100% 30.58 0.0
09 07:15 Calm 5.00 Fog/Mist SCT003 OVC009 32.9 32.9 100% 30.58 0.0
09 06:55 Calm 6.00 Fog/Mist OVC003 32.2 32.2 100% 30.57 0.0
09 06:35 Calm 5.00 Fog/Mist OVC004 31.1 31.1 100% 30.56 0.0
09 06:15 Calm 6.00 Fog/Mist OVC004 30.6 30.6 100% 30.56 0.0
09 05:55 Calm 7.00 Overcast OVC005 30 30 100% 30.56 0.0
09 05:35 Calm 9.00 Mostly Cloudy BKN005 30.4 30.4 100% 30.55 0.0
09 05:15 Calm 10.00 Partly Cloudy SCT005 30.6 30.6 100% 30.55 0.0
09 04:55 SE 3 10.00 A Few Clouds FEW005 30.9 30.4 98% 30.54 0.0
09 04:35 SE 3 10.00 Fair CLR 31.3 30.6 97% 30.54 0.0
09 04:15 Calm 10.00 Fair CLR 31.6 30.9 97% 30.54 0.0
09 03:55 SE 3 10.00 A Few Clouds FEW005 31.8 30.7 96% 30.54 0.0
09 03:35 Calm 10.00 A Few Clouds FEW005 31.8 30.6 95% 30.55 0.0
09 03:15 Calm 10.00 Fair CLR 32.2 30.6 94% 30.55 0.0
09 02:55 E 5 10.00 Partly Cloudy SCT006 31.3 29.8 94% 27 30.55 0.0
09 02:35 SE 5 10.00 Partly Cloudy SCT007 32.7 30.6 92% 29 30.56 0.0
09 02:15 Calm 10.00 Partly Cloudy FEW008 SCT370 32.9 30.4 90% 30.56 0.0
09 01:55 SE 5 10.00 Mostly Cloudy BKN370 32.7 29.5 44.6 32.7 88% 29 30.57 0.0
09 01:35 SE 3 10.00 Partly Cloudy FEW009 SCT370 33.4 29.5 85% 30.57 0.0
09 01:15 SE 3 10.00 Partly Cloudy SCT009 33.8 29.7 85% 30.58 0.0
09 00:55 S 3 10.00 Fair CLR 34.5 30.4 85% 30.58 0.0
09 00:35 SE 5 10.00 Fair CLR 34.9 31.8 89% 31 30.59 0.0
09 00:15 SE 3 10.00 Fair CLR 35.4 32.9 91% 30.58 0.0
08 23:55 Calm 10.00 Fair CLR 35.8 32.5 88% 30.58 0.0
08 23:35 Vrbl 3 10.00 Fair CLR 36.1 32.5 87% 30.58 0.0
08 23:15 Vrbl 5 10.00 Fair CLR 36.9 32.5 84% 34 30.58 0.0
08 22:55 Vrbl 5 10.00 Fair CLR 37.6 32.4 81% 35 30.58 0.0
08 22:35 S 5 10.00 Fair CLR 37.9 32.4 80% 35 30.57 0.0
08 22:15 Vrbl 5 10.00 Fair CLR 38.7 31.6 76% 36 30.57 0.0
08 21:55 S 6 10.00 Fair CLR 39.6 28.8 65% 36 30.56 0.0
08 21:35 S 9 10.00 Fair CLR 40.6 24.6 53% 35 30.56 0.0
08 21:15 Calm 10.00 Fair CLR 41 18.7 41% 30.55 0.0
08 20:55 Calm 10.00 Fair CLR 41.2 16.3 37% 30.54 0.0
08 20:35 Calm 10.00 Fair CLR 42.4 15.4 33% 30.53 0.0
08 20:15 S 3 9.00 Fair CLR 43.5 14.9 31% 30.52 0.0
08 19:55 S 3 9.00 Fair CLR 45.1 12.7 50 45.1 27% 30.52 0.0
08 19:35 Calm 9.00 Fair CLR 45.7 13.1 27% 30.52 0.0
08 19:15 S 5 10.00 Fair CLR 46.6 13.5 26% 45 30.53 0.0
08 18:55 Vrbl 5 10.00 Fair CLR 47.7 15.1 27% 46 30.53 0.0
08 18:35 SE 5 10.00 Fair CLR 48.4 15.1 26% 47 30.53 0.0
08 18:15 S 5 9.00 Fair CLR 48.6 14.5 25% 47 30.53 0.0
08 17:55 S 5 9.00 Fair CLR 49.5 14.7 25% 48 30.53 0.0
08 17:35 S 6 9.00 Fair CLR 49.5 14.2 24% 48 30.53 0.0
08 17:15 Vrbl 3 9.00 Fair CLR 49.1 13.8 24% 30.53 0.0
08 16:55 SW 7 9.00 Fair CLR 49.5 15.6 26% 47 30.53 0.0
08 16:35 SE 8 9.00 Fair CLR 49.3 15.1 25% 46 30.53 0.0
08 16:15 Vrbl 5 10.00 Fair CLR 49.5 15.6 26% 48 30.53 0.0
08 15:55 S 5 9.00 Fair CLR 48.4 14.5 26% 47 30.54 0.0
08 15:35 Vrbl 3 9.00 Fair CLR 48.2 14.9 26% 30.54 0.0
08 15:15 Vrbl 7 10.00 Fair CLR 48 14.5 26% 45 30.55 0.0
08 14:55 Vrbl 3 9.00 Fair CLR 47.3 13.8 26% 30.55 0.0
08 14:35 E 8 9.00 Fair CLR 47.8 14 26% 45 30.55 0.0
08 14:15 Vrbl 7 9.00 Fair CLR 46.8 13.8 26% 44 30.56 0.0
08 13:55 Vrbl 6 9.00 Fair CLR 45.1 12.6 46 29.7 27% 43 30.57 0.0
08 13:35 Calm 9.00 Fair CLR 43.5 12.2 28% 30.57 0.0
08 13:15 Vrbl 5 9.00 Fair CLR 45.3 14.5 29% 43 30.58 0.0
08 12:55 S 5 9.00 Fair CLR 43.2 13.5 30% 41 30.59 0.0
08 12:35 E 5 9.00 Fair CLR 43 13.1 30% 41 30.6 0.0
08 12:15 Calm 9.00 Fair CLR 41.5 11.1 29% 30.6 0.0
08 11:55 Vrbl 6 10.00 Fair CLR 41 11.7 30% 38 30.61 0.0
08 11:35 SE 8 10.00 Fair CLR 40.1 12 32% 35 30.61 0.0
08 11:15 E 7 9.00 Fair CLR 39.2 12.4 33% 35 30.61 0.0
08 10:55 Vrbl 6 10.00 Fair CLR 37.2 12.4 36% 33 30.61 0.0
08 10:35 Vrbl 6 9.00 Fair CLR 36.1 13.1 39% 32 30.61 0.0
08 10:15 NE 7 10.00 Fair CLR 36 13.3 39% 31 30.61 0.0
08 09:55 NE 9 10.00 Fair CLR 34.9 12.6 40% 28 30.6 0.0
08 09:35 E 8 10.00 Fair CLR 33.8 12.2 41% 28 30.6 0.0
08 09:15 E 8 10.00 Fair CLR 33.1 13.8 45% 27 30.59 0.0
08 08:55 NE 8 10.00 Fair CLR 31.6 14.4 49% 25 30.59 0.0
08 08:35 NE 7 10.00 Fair CLR 31.3 15.6 52% 25 30.59 0.0
08 08:15 E 8 10.00 Fair CLR 30.2 14.4 52% 23 30.58 0.0
08 07:55 E 7 10.00 Fair CLR 29.5 14.4 32 27.1 53% 23 30.57 0.0
08 07:35 NE 7 10.00 Fair CLR 28.8 14 54% 22 30.56 0.0
08 07:15 NE 6 10.00 Fair CLR 28 13.8 55% 22 30.56 0.0
08 06:55 NE 5 10.00 Fair CLR 27.3 13.8 57% 23 30.54 0.0
08 06:35 NE 6 10.00 Fair CLR 27.3 13.6 56% 22 30.53 0.0
08 06:15 NE 5 10.00 Fair CLR 27.7 13.6 55% 23 30.53 0.0
08 05:55 NE 7 10.00 Fair CLR 28.2 13.5 54% 22 30.51 0.0
08 05:35 NE 6 10.00 Fair CLR 28 13.6 55% 22 30.51 0.0
08 05:15 NE 6 10.00 Fair CLR 28.6 13.6 53% 23 30.51 0.0
08 04:55 NE 8 10.00 Fair CLR 28.6 14 54% 21 30.5 0.0
08 04:35 NE 8 10.00 Fair CLR 28.9 14 54% 22 30.5 0.0
08 04:15 NE 6 10.00 Fair CLR 29.1 14 53% 24 30.5 0.0
08 03:55 NE 8 10.00 Fair CLR 29.8 14 52% 23 30.5 0.0
08 03:35 NE 8 10.00 Fair CLR 30.2 14.2 51% 23 30.49 0.0
08 03:15 NE 8 10.00 Fair CLR 30.4 14 51% 24 30.5 0.0
08 02:55 NE 7 10.00 Fair CLR 30.9 14.4 50% 25 30.49 0.0
08 02:35 NE 8 10.00 Fair CLR 31.5 14 48% 25 30.49 0.0
08 02:15 N 10 10.00 Fair CLR 31.6 14.2 48% 24 30.48 0.0
08 01:55 NE 9 10.00 Fair CLR 32.4 13.8 41.2 32.4 46% 25 30.49 0.0
08 01:35 NE 7 10.00 Fair CLR 32.5 14 46% 27 30.49 0.0
08 01:15 NE 7 10.00 Fair CLR 32.9 13.6 45% 27 30.49 0.0
08 00:55 N 6 10.00 Fair CLR 33.6 13.5 43% 29 30.49 0.0
08 00:35 NE 7 10.00 Fair CLR 34.2 13.1 42% 29 30.48 0.0
08 00:15 N 9 10.00 Fair CLR 34.9 12.9 40% 28 30.48 0.0
07 23:55 N 7 10.00 Fair CLR 35.4 13.1 40% 30 30.47 0.0
07 23:35 N 9 10.00 Fair CLR 36.1 12.9 38% 30 30.47 0.0
07 23:15 N 9 10.00 Fair CLR 36.7 12.6 37% 31 30.47 0.0
07 22:55 N 7 10.00 Fair CLR 36.9 12.7 37% 32 30.46 0.0
07 22:35 N 6 10.00 Fair CLR 37.8 11.7 34% 34 30.46 0.0
07 22:15 N 7 10.00 Fair CLR 37 12.6 36% 32 30.44 0.0
07 21:55 N 7 10.00 Fair CLR 38.5 11.5 33% 34 30.44 0.0
07 21:35 N 8 10.00 Fair CLR 39 11.5 32% 34 30.43 0.0
07 21:15 N 10 10.00 Fair CLR 39.2 12.4 33% 33 30.42 0.0
07 20:55 N 8 10.00 Fair CLR 39.7 12.6 33% 35 30.41 0.0
07 20:35 N 9 10.00 Fair CLR 40.5 12.7 32% 35 30.4 0.0
07 20:15 N 7 10.00 Fair CLR 40.6 12.6 32% 37 30.39 0.0
07 19:55 N 13 10.00 Fair CLR 41.9 11.5 50 41.9 29% 36 30.38 0.0
07 19:35 N 10 10.00 Fair CLR 42.4 11.1 28% 37 30.37 0.0
07 19:15 NW 12 10.00 Fair CLR 43.7 11.1 26% 38 30.36 0.0
07 18:55 N 10 10.00 Fair CLR 45 12 26% 40 30.35 0.0
07 18:35 NW 13 10.00 Fair CLR 45.7 11.3 25% 40 30.35 0.0
07 18:15 N 17 G 23 10.00 Fair CLR 46.4 12.4 25% 40 30.33 0.0
07 17:55 NW 15 G 23 10.00 Fair CLR 46.6 12 25% 41 30.32 0.0
07 17:35 NW 12 G 23 10.00 Fair CLR 46.8 12.7 25% 42 30.31 0.0
07 17:15 NW 12 10.00 Fair CLR 47.7 13.8 26% 43 30.3 0.0
07 16:55 NW 17 G 26 10.00 Fair CLR 47.3 11.7 24% 41 30.29 0.0
07 16:35 NW 20 G 29 10.00 Fair CLR 47.1 10.4 22% 40 30.29 0.0
07 16:15 N 16 G 24 10.00 Fair CLR 48.7 14 25% 43 30.28 0.0
07 15:55 NW 17 10.00 Fair CLR 48.4 14.7 26% 43 30.28 0.0
07 15:35 NW 18 G 28 10.00 Fair CLR 49.1 13.6 24% 43 30.27 0.0
07 15:15 NW 23 G 29 10.00 Fair and Breezy CLR 49.3 12.2 22% 43 30.27 0.0
07 14:55 NW 17 10.00 Fair CLR 48.9 17.8 29% 43 30.26 0.0
07 14:35 NW 23 G 30 10.00 Fair and Breezy CLR 49.8 17.2 27% 43 30.26 0.0
07 14:15 NW 26 G 30 10.00 Fair and Windy CLR 49.5 16.7 27% 42 30.26 0.0
07 13:55 NW 20 G 32 10.00 A Few Clouds FEW350 49.6 16 49.8 44.2 26% 44 30.25 0.0
07 13:35 NW 17 G 35 10.00 Fair CLR 49.6 19.8 31% 44 30.25 0.0
07 13:15 NW 17 G 30 10.00 A Few Clouds FEW360 49.3 18.5 29% 44 30.25 0.0
07 12:55 NW 28 G 35 10.00 Fair and Windy CLR 48.7 18.1 30% 41 30.24 0.0
07 12:35 NW 24 G 31 10.00 Fair and Breezy CLR 49.1 21.7 34% 42 30.24 0.0
07 12:15 NW 22 G 30 10.00 Fair and Breezy CLR 48.9 24.1 38% 42 30.24 0.0
07 11:55 NW 18 G 30 10.00 Fair CLR 49.1 23.7 37% 43 30.23 0.0
07 11:35 W 20 G 24 10.00 A Few Clouds FEW055 47.7 24.3 40% 41 30.23 0.0
07 11:15 NW 18 G 31 10.00 A Few Clouds FEW049 47.8 24.8 41% 42 30.23 0.0
07 10:55 NW 23 G 29 10.00 Partly Cloudy and Breezy SCT046 47.5 25.3 42% 40 30.22 0.0
07 10:35 W 18 10.00 Mostly Cloudy SCT044 BKN055 47.1 26.8 45% 41 30.22 0.0
07 10:15 NW 20 G 30 10.00 Partly Cloudy SCT042 46.2 27.5 48% 39 30.21 0.0
07 09:55 W 22 G 26 10.00 Partly Cloudy and Breezy SCT041 46.2 28.4 50% 39 30.2 0.0
07 09:35 NW 21 G 26 10.00 Partly Cloudy and Breezy SCT040 46 28 50% 39 30.19 0.0
07 09:15 W 16 G 29 10.00 A Few Clouds FEW038 45.5 28.4 51% 39 30.19 0.0
07 08:55 W 21 G 26 10.00 Fair and Breezy CLR 45.5 28.6 52% 38 30.18 0.0
07 08:35 W 17 10.00 Fair CLR 45.3 30.9 57% 39 30.17 0.0
07 08:15 W 15 10.00 A Few Clouds FEW065 44.8 32.9 63% 39 30.17 0.0
07 07:55 W 13 10.00 Partly Cloudy SCT065 44.1 32.9 46.4 40.3 65% 38 30.16 0.0
07 07:35 NW 13 10.00 A Few Clouds FEW065 43.2 32.9 67% 37 30.16 0.0
07 07:15 NW 10 10.00 Fair CLR 41.7 34.2 75% 36 30.15 0.0
07 06:55 W 9 10.00 Fair CLR 40.6 34.9 80% 35 30.13 0.0
07 06:35 W 9 10.00 Fair CLR 40.8 34.7 79% 36 30.12 0.0
07 06:15 NW 10 10.00 Fair CLR 42.1 34.5 75% 37 30.12 0.0
07 05:55 NW 12 10.00 Partly Cloudy SCT075 43.7 35.2 72% 38 30.11 0.0
07 05:35 NW 14 10.00 Mostly Cloudy SCT070 BKN085 44.4 36 72% 38 30.1 0.0
07 05:15 NW 10 10.00 Overcast BKN060 OVC085 44.8 35.6 70% 40 30.1 0.0
07 04:55 W 7 10.00 Overcast SCT060 OVC085 45.5 34.7 66% 42 30.09 0.0
07 04:35 W 8 10.00 Mostly Cloudy FEW060 SCT075 BKN090 44.6 35.2 70% 41 30.09 0.0
07 04:15 NW 7 10.00 Mostly Cloudy FEW060 SCT075 BKN095 43.2 35.2 74% 40 30.08 0.0
07 03:55 NW 6 10.00 Overcast BKN060 BKN070 OVC095 42.1 35.6 78% 39 30.08 0.0
07 03:35 NW 3 10.00 Overcast BKN055 BKN070 OVC095 44.1 32.7 64% 30.08 0.0
07 03:15 NW 5 10.00 Mostly Cloudy SCT060 BKN095 43 33.4 69% 41 30.08 0.0
07 02:55 NW 6 10.00 Mostly Cloudy FEW055 SCT075 BKN100 42.6 34.5 73% 40 30.08 0.0
07 02:35 W 6 10.00 Overcast SCT060 BKN075 OVC090 42.8 36.3 78% 40 30.08 0.0
07 02:15 W 5 10.00 Overcast OVC060 44.2 34.9 70% 42 30.09 0.0
07 01:55 W 3 10.00 Overcast OVC060 46.2 32 50.2 43.3 58% 30.09 0.0
07 01:35 W 5 10.00 Overcast BKN065 OVC075 46.2 31.6 57% 45 30.09 0.0
07 01:15 W 3 10.00 Overcast OVC085 44.4 32.5 63% 30.09 0.0
07 00:55 NW 5 10.00 Overcast BKN090 OVC110 44.1 34 68% 42 30.09 0.0
07 00:35 W 5 9.00 Overcast FEW060 OVC090 44.2 33.3 65% 42 30.09 0.0
07 00:15 SW 5 10.00 Mostly Cloudy BKN090 47.7 29.3 49% 46 30.09 0.0
06 23:55 Calm 10.00 Mostly Cloudy FEW045 BKN090 BKN110 45.7 31.5 58% 30.08 0.0
06 23:35 SW 3 10.00 Mostly Cloudy FEW070 BKN095 BKN110 48.2 27.7 45% 30.08 0.0
06 23:15 SW 3 10.00 Mostly Cloudy SCT070 BKN090 48.6 28 45% 30.07 0.0
06 22:55 SW 3 10.00 Partly Cloudy SCT100 46.4 28.2 49% 30.08 0.0
06 22:35 Calm 10.00 Mostly Cloudy BKN100 45.1 30 56% 30.08 0.0
06 22:15 W 3 10.00 Mostly Cloudy BKN100 45 32 61% 30.08 0.0
06 21:55 Calm 10.00 Mostly Cloudy BKN080 48.7 28.4 45% 30.08 0.0
06 21:35 SW 3 10.00 Overcast BKN075 OVC090 49.3 28.6 45% 30.09 0.0
06 21:15 SW 3 9.00 Mostly Cloudy BKN085 48.7 28.2 45% 30.08 0.0
06 20:55 Calm 10.00 Partly Cloudy FEW070 SCT090 48.9 28.6 45% 30.07 0.0
06 20:35 Calm 10.00 Mostly Cloudy BKN070 BKN090 49.3 28.4 45% 30.06 0.0
06 20:15 Calm 10.00 Overcast OVC070 50.2 28.6 43% 30.05 0.0
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)