National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Weather observations for the past three days for
Chester County Airport
Metric (Imperial)
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
21 00:15 NW 7 14.48 Light Rain FEW030 OVC100 19 19 100% 76.45 0.0
20 23:55 N 7 16.09 Overcast FEW031 BKN100 OVC130 19.4 18.8 96% 76.45 0.0
20 23:35 Calm 16.09 Overcast OVC100 19.6 18.8 95% 76.45 0.0
20 23:15 Calm 14.48 Mostly Cloudy FEW008 BKN100 19.7 19.7 100% 76.45 0.0
20 22:55 N 9 16.09 Fair CLR 19.9 19.9 100% 76.4 0.0 0.03
20 22:35 N 7 16.09 A Few Clouds FEW009 20.5 20.4 99% 76.4 0.0
20 22:15 N 11 14.48 Partly Cloudy SCT009 20.6 20.6 100% 76.38 0.0
20 21:55 N 9 11.27 Fair CLR 20.5 20.5 100% 76.33 0.0
20 21:35 N 7 11.27 Fair CLR 20.6 20.6 100% 76.33 0.0
20 21:15 NW 7 11.27 Partly Cloudy SCT200 20.6 20.6 100% 76.3 0.0
20 20:55 N 13 12.87 Overcast OVC190 20.5 20.5 100% 76.28 0.0 0.03
20 20:35 NW 9 8.05 Fog/Mist BKN190 20.5 20.5 100% 76.25 0.0 0.03
20 20:15 Calm 8.05 Fog/Mist FEW110 20.6 20.6 100% 76.25 0.0
20 19:55 Calm 9.66 Fog/Mist OVC110 20.5 20.5 31.6 20.2 100% 76.25 0.0 0.05 0.15
20 19:35 Calm 8.05 Fog/Mist SCT095 OVC120 20.2 20.2 100% 76.28 0.0 0.05
20 19:15 Calm 8.05 Light Rain Fog/Mist OVC095 20.9 20.9 100% 76.3 0.0 0.05
20 18:55 W 7 8.05 Light Rain Fog/Mist Thunderstorm in Vicinity OVC095 20.9 20.2 96% 76.33 0.0 0.1
20 18:35 W 11 8.05 Light Rain Fog/Mist Thunderstorm in Vicinity OVC095 21.2 19.7 91% 76.3 0.0 0.08
20 18:15 W 9 8.05 Light Rain Fog/Mist FEW070 BKN095 BKN130 21.2 19.5 90% 76.25 0.0 0.03
20 17:55 Calm 11.27 Light Rain Thunderstorm in Vicinity SCT026 BKN043 BKN120 21.5 19.2 87% 76.28 0.0
20 17:35 SW 7 11.27 Thunderstorm Light Rain SCT045 BKN095 BKN130 22.2 19 82% 76.3 0.0
20 17:15 S 15 8.05 Light Rain Thunderstorm in Vicinity FEW049 BKN095 OVC130 23.1 17.9 73% 76.2 0.0
20 16:55 NW 35 G 61 14.48 Thunderstorm in Vicinity and Breezy BKN060 BKN075 BKN095 25.1 17.7 64% 26 76.1 0.0
20 16:35 NW 41 16.09 Thunderstorm in Vicinity and Breezy SCT060 SCT110 29.1 20 58% 31 76.1 0.0
20 16:15 W 17 16.09 Thunderstorm in Vicinity FEW055 30.1 19.3 52% 32 76.1 0.0
20 15:55 W 17 16.09 A Few Clouds FEW055 31 19.2 49% 33 76.1 0.0
20 15:35 Vrbl 9 16.09 A Few Clouds FEW380 31.1 19.4 50% 33 76.12 0.0
20 15:15 W 19 G 28 16.09 Fair CLR 31 19.3 50% 33 76.12 0.0
20 14:55 W 19 16.09 Partly Cloudy SCT055 30.6 19.5 52% 32 76.15 0.0
20 14:35 W 15 16.09 A Few Clouds FEW050 30.8 20 53% 33 76.17 0.0
20 14:15 W 19 16.09 A Few Clouds FEW050 30.8 20 53% 33 76.2 0.0
20 13:55 W 17 16.09 Partly Cloudy SCT048 30.3 20.2 30.6 23.7 55% 32 76.23 0.0
20 13:35 Vrbl 9 16.09 A Few Clouds FEW048 30.5 20.1 54% 33 76.2 0.0
20 13:15 W 19 16.09 A Few Clouds FEW047 30.1 20.2 55% 32 76.23 0.0
20 12:55 NW 19 16.09 Fair CLR 30 20.5 57% 32 76.25 0.0
20 12:35 NW 19 16.09 Fair CLR 29.7 20.4 57% 32 76.28 0.0
20 12:15 W 15 16.09 Fair CLR 29.4 20.2 58% 31 76.28 0.0
20 11:55 W 9 16.09 Fair CLR 28.9 19.9 58% 31 76.28 0.0
20 11:35 W 20 16.09 Fair CLR 28.9 20.2 59% 31 76.3 0.0
20 11:15 W 19 G 31 16.09 Fair CLR 28.8 20.1 59% 31 76.3 0.0
20 10:55 W 19 16.09 Fair CLR 28.6 20.2 60% 30 76.3 0.0
20 10:35 NW 19 16.09 Fair CLR 28 19.3 59% 29 76.3 0.0
20 10:15 NW 13 16.09 Fair CLR 27.5 19.8 63% 29 76.3 0.0
20 09:55 NW 19 16.09 Fair CLR 26.7 19.8 66% 28 76.3 0.0
20 09:35 W 20 16.09 Fair CLR 26.4 19.8 67% 28 76.3 0.0
20 09:15 NW 22 14.48 Fair CLR 25.9 20 70% 27 76.3 0.0
20 08:55 NW 20 16.09 Fair CLR 25.1 20.4 75% 26 76.3 0.0
20 08:35 W 17 14.48 Fair CLR 24.6 20.5 78% 25 76.3 0.0
20 08:15 NW 15 16.09 Fair CLR 24.1 20.5 80% 24 76.3 0.0
20 07:55 W 15 16.09 Fair CLR 23.2 20.2 23.2 20.2 83% 76.28 0.0
20 07:35 NW 17 16.09 Fair CLR 23 19.8 82% 76.28 0.0
20 07:15 NW 9 14.48 Fair CLR 22 20.2 90% 76.28 0.0
20 06:55 W 11 12.87 Fair CLR 21.1 19.6 91% 76.28 0.0
20 06:35 W 9 12.87 Fair CLR 20.9 19.6 92% 76.25 0.0
20 06:15 W 9 14.48 Fair CLR 21.2 19.5 90% 76.25 0.0
20 05:55 SW 7 14.48 Fair CLR 21 19.6 92% 76.23 0.0
20 05:35 SW 6 16.09 A Few Clouds FEW190 21.4 19.6 90% 76.2 0.0
20 05:15 SW 6 16.09 Mostly Cloudy BKN190 21.3 19.5 90% 76.23 0.0
20 04:55 W 13 16.09 Partly Cloudy SCT190 22.1 19.4 85% 76.23 0.0
20 04:35 W 11 14.48 Fair CLR 20.9 19.9 94% 76.23 0.0
20 04:15 W 7 14.48 Fair CLR 20.9 20.2 96% 76.23 0.0
20 03:55 W 9 14.48 Fair CLR 21.5 20.5 94% 76.23 0.0
20 03:35 W 9 14.48 Fair CLR 21.5 20.7 95% 76.25 0.0
20 03:15 W 9 12.87 Fair CLR 21.2 20.7 97% 76.25 0.0
20 02:55 W 9 11.27 A Few Clouds FEW200 20.2 20.2 100% 76.25 0.0
20 02:35 Vrbl 6 14.48 A Few Clouds FEW200 21.8 21 95% 76.25 0.0
20 02:15 SW 6 16.09 A Few Clouds FEW190 22.1 21.1 94% 76.25 0.0
20 01:55 SW 7 16.09 Overcast OVC190 22.4 21 24.4 20.8 92% 76.25 0.0 0.03
20 01:35 Vrbl 9 16.09 Mostly Cloudy BKN190 22.7 21 90% 76.28 0.0
20 01:15 Calm 16.09 Partly Cloudy SCT190 22.2 20.9 92% 76.3 0.0
20 00:55 SW 7 14.48 Overcast OVC190 23.2 20.7 86% 76.3 0.0
20 00:35 SW 7 12.87 Mostly Cloudy BKN180 23.3 20.6 85% 76.3 0.0
20 00:15 SW 7 14.48 Mostly Cloudy SCT180 BKN210 22.9 20.5 86% 76.3 0.0
19 23:55 W 6 14.48 Mostly Cloudy BKN190 BKN210 22.5 20.4 88% 76.33 0.0
19 23:35 W 6 14.48 Overcast OVC190 22.4 20.4 89% 76.33 0.0
19 23:15 SW 6 12.87 Overcast OVC190 21.2 21.2 100% 76.33 0.0
19 22:55 W 11 12.87 Overcast FEW140 BKN180 OVC200 21.5 21.4 99% 76.33 0.0 0.03
19 22:35 Vrbl 9 12.87 Overcast SCT140 OVC170 23.8 20.4 81% 76.33 0.0
19 22:15 W 6 12.87 Mostly Cloudy FEW130 BKN160 21.7 20.8 95% 76.33 0.0
19 21:55 W 7 12.87 Mostly Cloudy SCT140 BKN170 22.1 20.5 91% 76.33 0.0
19 21:35 Vrbl 6 12.87 Mostly Cloudy BKN140 BKN160 22.1 20.9 93% 76.33 0.0
19 21:15 SW 6 11.27 A Few Clouds FEW150 21 20.9 99% 76.33 0.0
19 20:55 Vrbl 7 9.66 Fog/Mist CLR 21.2 21.2 100% 76.33 0.0 0.03
19 20:35 Calm 9.66 Fog/Mist CLR 21.2 20.8 98% 76.33 0.0 0.03
19 20:15 NW 9 9.66 Fog/Mist CLR 21.3 21.3 100% 76.35 0.0 0.03
19 19:55 Calm 8.05 Light Rain Fog/Mist FEW045 21.4 21.1 33.6 21.4 98% 76.35 0.0 0.05 0.76
19 19:35 S 7 9.66 Fog/Mist BKN095 21.8 21.1 96% 76.35 0.0 0.05
19 19:15 S 9 6.44 Light Rain Fog/Mist OVC090 21.9 21.7 99% 76.4 0.0 0.03
19 18:55 Vrbl 7 1.21 Light Rain Fog/Mist Thunderstorm in Vicinity FEW006 OVC060 22.1 22 99% 76.43 0.0 0.71
19 18:35 W 28 G 41 2.01 Light Rain Thunderstorm in Vicinity FEW050 BKN070 OVC140 25.7 19.8 70% 27 76.45 0.0 0.18
19 18:15 SW 15 16.09 Mostly Cloudy SCT070 BKN150 30.3 18.6 50% 31 76.35 0.0
19 17:55 W 6 16.09 A Few Clouds FEW160 30.2 19.2 52% 32 76.3 0.0
19 17:35 NW 7 16.09 A Few Clouds FEW070 31.6 18.3 45% 33 76.3 0.0
19 17:15 Calm 16.09 Mostly Cloudy FEW075 SCT090 BKN110 BKN190 30.8 18.5 48% 32 76.33 0.0
19 16:55 W 11 14.48 Mostly Cloudy FEW070 BKN095 BKN120 31.2 17.2 43% 32 76.33 0.0
19 16:35 W 13 16.09 Partly Cloudy FEW075 SCT120 31.6 16.5 40% 32 76.33 0.0
19 16:15 W 9 16.09 Partly Cloudy FEW075 SCT095 32.9 17 39% 33 76.33 0.0
19 15:55 W 11 G 30 16.09 Fair CLR 33.1 16.7 37% 33 76.33 0.0
19 15:35 W 13 16.09 Fair CLR 33.3 16.5 37% 34 76.33 0.0
19 15:15 SW 11 G 28 16.09 A Few Clouds FEW075 33.4 16.5 36% 34 76.35 0.0
19 14:55 W 15 16.09 A Few Clouds FEW070 32.9 16.7 38% 33 76.35 0.0
19 14:35 Vrbl 9 16.09 A Few Clouds FEW070 33 16.7 38% 33 76.38 0.0
19 14:15 W 20 14.48 A Few Clouds FEW070 32.7 17.1 39% 33 76.38 0.0
19 13:55 NW 13 16.09 Fair CLR 32.1 17.4 32.7 22 41% 33 76.4 0.0
19 13:35 NW 15 16.09 Fair CLR 32.6 17.6 41% 33 76.43 0.0
19 13:15 W 11 16.09 Fair CLR 32.1 18 43% 33 76.43 0.0
19 12:55 W 19 G 31 16.09 A Few Clouds FEW370 32 18.1 44% 33 76.45 0.0
19 12:35 W 19 16.09 Fair CLR 32 18.2 44% 33 76.45 0.0
19 12:15 NW 15 16.09 Fair CLR 32 18.9 46% 33 76.48 0.0
19 11:55 W 15 16.09 Fair CLR 31.2 18.9 48% 33 76.48 0.0
19 11:35 NW 20 G 33 16.09 Fair CLR 30.9 18.7 48% 32 76.48 0.0
19 11:15 NW 17 16.09 Fair CLR 30.7 19 50% 32 76.48 0.0
19 10:55 W 17 16.09 Fair CLR 30.2 19 51% 32 76.5 0.0
19 10:35 Vrbl 9 16.09 Fair CLR 29.6 19.8 56% 31 76.5 0.0
19 10:15 W 11 16.09 Fair CLR 28.4 20.3 62% 30 76.5 0.0
19 09:55 Vrbl 6 14.48 Fair CLR 27.3 21.3 70% 29 76.5 0.0
19 09:35 SW 6 14.48 Fair CLR 25.8 21 75% 27 76.5 0.0
19 09:15 SW 6 14.48 Fair CLR 25.1 21 78% 26 76.5 0.0
19 08:55 Calm 14.48 Fair CLR 23.4 20.9 86% 76.5 0.0
19 08:35 Vrbl 6 14.48 Fair CLR 22.7 20.5 87% 76.53 0.0
19 08:15 Calm 12.87 Fair CLR 22.5 20.7 90% 76.53 0.0
19 07:55 SW 7 11.27 Fair CLR 21.8 20.5 22.7 19.5 92% 76.53 0.0
19 07:35 W 7 11.27 Fair CLR 22 20.5 91% 76.5 0.0
19 07:15 W 9 12.87 A Few Clouds FEW320 21.8 20.3 91% 76.5 0.0
19 06:55 Vrbl 6 12.87 Fair CLR 21.9 20.4 91% 76.5 0.0
19 06:35 SW 7 11.27 Fair CLR 21.8 20.4 92% 76.48 0.0
19 06:15 W 7 11.27 Fair CLR 21 20.3 96% 76.5 0.0
19 05:55 NW 6 9.66 Fog/Mist CLR 19.7 19.4 98% 76.48 0.0
19 05:35 Calm 11.27 Fair CLR 20.6 20 96% 76.48 0.0
19 05:15 W 6 14.48 Fair CLR 21.2 20.1 93% 76.48 0.0
19 04:55 Vrbl 6 14.48 Fair CLR 21.4 20.2 93% 76.48 0.0
19 04:35 Vrbl 6 14.48 Fair CLR 21.5 20.1 92% 76.45 0.0
19 04:15 S 7 16.09 Fair CLR 21.6 20.1 91% 76.45 0.0
19 03:55 Vrbl 7 16.09 Fair CLR 21.8 20 90% 76.48 0.0
19 03:35 SW 7 16.09 Fair CLR 21.9 20 89% 76.48 0.0
19 03:15 SW 6 16.09 Fair CLR 22.1 19.9 87% 76.5 0.0
19 02:55 SW 6 16.09 Fair CLR 22.4 19.8 85% 76.53 0.0
19 02:35 Calm 16.09 Fair CLR 22.2 19.7 86% 76.53 0.0
19 02:15 Calm 16.09 Fair CLR 22.5 19.7 84% 76.53 0.0
19 01:55 Calm 16.09 Fair CLR 22.8 19.7 28.3 22.8 83% 76.56 0.0
19 01:35 SW 6 16.09 Fair CLR 23.2 19.6 80% 76.56 0.0
19 01:15 Vrbl 6 16.09 Fair CLR 23.3 19.5 79% 76.56 0.0
19 00:55 SW 6 16.09 Fair CLR 23.8 19.4 76% 76.56 0.0
19 00:35 Vrbl 6 16.09 Fair CLR 24 19.4 76% 25 76.58 0.0
19 00:15 Vrbl 6 16.09 Fair CLR 24.2 19.3 74% 25 76.58 0.0
18 23:15 Vrbl 6 16.09 Fair CLR 24.8 19 70% 26 76.58 0.0
18 22:55 Calm 16.09 Fair CLR 25.4 18.8 67% 26 76.58 0.0
18 22:35 Vrbl 6 16.09 Fair CLR 25.4 18.7 67% 26 76.58 0.0
18 22:15 Vrbl 6 16.09 Fair CLR 25.9 18.5 64% 27 76.56 0.0
18 21:55 Vrbl 6 16.09 Fair CLR 26.1 18.2 62% 27 76.56 0.0
18 21:35 Calm 16.09 Fair CLR 26.3 17.9 60% 27 76.5 0.0
18 21:15 Vrbl 6 16.09 Fair CLR 26.1 17.7 60% 27 76.5 0.0
18 20:55 Calm 16.09 Fair CLR 26.5 17.4 57% 27 76.48 0.0
18 20:35 Calm 16.09 Fair CLR 27.2 17.2 54% 28 76.48 0.0
18 20:15 Vrbl 6 16.09 Fair CLR 27.9 16.9 51% 28 76.45 0.0
18 19:55 Vrbl 7 16.09 Fair CLR 28.7 16.4 32.6 28.7 47% 29 76.48 0.0
18 19:35 Vrbl 7 16.09 Fair CLR 29.3 15.8 44% 29 76.48 0.0
18 19:15 SW 11 16.09 Fair CLR 29.9 15.6 42% 30 76.48 0.0
18 18:55 Vrbl 7 16.09 Fair CLR 30.6 14.5 38% 30 76.48 0.0
18 18:35 Vrbl 7 16.09 Fair CLR 31 13.7 35% 30 76.48 0.0
18 18:15 Vrbl 9 16.09 Fair CLR 31.3 13.8 34% 31 76.45 0.0
18 17:55 Vrbl 9 16.09 Fair CLR 31.5 15.1 37% 31 76.48 0.0
18 17:35 Vrbl 11 16.09 Fair CLR 31.8 15.7 38% 32 76.48 0.0
18 17:15 S 15 16.09 Fair CLR 31.9 15.3 37% 32 76.48 0.0
18 16:55 Vrbl 9 16.09 Fair CLR 32.1 16.9 40% 32 76.5 0.0
18 16:35 Vrbl 11 16.09 Fair CLR 32.1 17.2 41% 33 76.5 0.0
18 16:15 S 13 16.09 Fair CLR 32.2 17.5 41% 33 76.53 0.0
18 15:55 S 15 16.09 Fair CLR 32.3 18.1 43% 33 76.53 0.0
18 15:35 Vrbl 9 16.09 A Few Clouds FEW070 32.5 18.8 44% 34 76.53 0.0
18 15:15 Vrbl 9 16.09 A Few Clouds FEW070 31.8 18.9 46% 33 76.56 0.0
18 14:55 Vrbl 9 16.09 Fair CLR 32 17.3 41% 33 76.58 0.0
18 14:35 W 15 16.09 Fair CLR 32.4 17.5 41% 33 76.58 0.0
18 14:15 Vrbl 9 16.09 A Few Clouds FEW065 32.2 17.3 41% 33 76.58 0.0
18 13:55 SW 9 16.09 A Few Clouds FEW060 32.4 18.1 32.4 23.5 43% 33 76.58 0.0
18 13:35 Vrbl 9 16.09 Fair CLR 32.1 18 43% 33 76.58 0.0
18 13:15 Vrbl 11 16.09 Fair CLR 31.5 18.2 45% 32 76.58 0.0
18 12:55 Vrbl 11 16.09 Fair CLR 31.5 18.6 46% 33 76.63 0.0
18 12:35 Calm 16.09 Fair CLR 31.2 18.8 48% 32 76.63 0.0
18 11:55 W 13 16.09 Fair CLR 30.7 18.6 48% 32 76.66 0.0
18 11:35 NW 11 16.09 Fair CLR 30.3 18.2 48% 31 76.66 0.0
18 11:15 Vrbl 9 16.09 Fair CLR 30.3 18.4 49% 31 76.68 0.0
18 10:55 Vrbl 6 16.09 Fair CLR 29.7 18.8 52% 31 76.66 0.0
18 10:35 Vrbl 7 16.09 Fair CLR 29.7 19.2 53% 31 76.66 0.0
18 10:15 Calm 16.09 Fair CLR 28.9 19.2 56% 30 76.68 0.0
18 09:55 Vrbl 7 16.09 Fair CLR 27.9 18.9 58% 29 76.66 0.0
18 09:35 Vrbl 7 16.09 Fair CLR 27.3 18.5 59% 28 76.66 0.0
18 09:15 Vrbl 6 16.09 Fair CLR 27.1 19.7 64% 29 76.66 0.0
18 08:55 W 7 16.09 Fair CLR 26 18.9 65% 27 76.68 0.0
18 08:35 Vrbl 7 16.09 Fair CLR 25.4 18.7 67% 26 76.68 0.0
18 08:15 W 7 16.09 Fair CLR 24.5 18.3 68% 25 76.68 0.0
18 07:55 Calm 16.09 Fair CLR 23.6 18.9 24 17.2 75% 76.68 0.0
18 07:35 W 6 16.09 Fair CLR 23.6 18 71% 76.68 0.0
18 07:15 W 9 16.09 Fair CLR 22.2 17.8 76% 76.68 0.0
18 06:55 W 7 14.48 Fair CLR 20.7 17.4 81% 76.66 0.0
18 06:35 W 9 14.48 Fair CLR 20.3 17.1 82% 76.63 0.0
18 06:15 W 6 16.09 Fair CLR 18.9 16.8 88% 76.63 0.0
18 05:55 Calm 16.09 Fair CLR 17.7 16.4 92% 76.61 0.0
18 05:35 W 7 16.09 Fair CLR 18.9 16.7 87% 76.61 0.0
18 05:15 Vrbl 6 16.09 Fair CLR 19.9 16.9 83% 76.58 0.0
18 04:55 W 6 16.09 Fair CLR 20.3 16.9 81% 76.58 0.0
18 04:35 W 7 16.09 Fair CLR 20.1 16.9 82% 76.58 0.0
18 04:15 Vrbl 6 16.09 Fair CLR 20.4 17 81% 76.58 0.0
18 03:55 Vrbl 9 16.09 Fair CLR 20.6 16.9 79% 76.58 0.0
18 02:55 W 7 16.09 Fair CLR 21 17 78% 76.56 0.0
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)