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 (est) 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.
12 09:55 NW 17 G 26 9.00 Partly Cloudy SCT041 30.6 15.4 53% 20 30.04 0.0
12 09:35 NW 17 G 26 10.00 Partly Cloudy FEW038 SCT050 30.2 15.8 55% 19 30.04 0.0
12 09:15 NW 17 G 24 10.00 Overcast SCT040 OVC050 30 16 56% 19 30.03 0.0
12 08:55 NW 13 G 26 10.00 Overcast BKN035 OVC044 29.5 15.4 56% 20 30.03 0.0
12 08:35 NW 18 G 25 9.00 Overcast SCT032 OVC044 28.9 15.4 57% 17 30.02 0.0
12 08:15 NW 18 8.00 Overcast OVC042 29.1 16 58% 18 30.02 0.0
12 07:55 NW 15 G 21 9.00 Overcast OVC042 28.9 16 58% 18 30.02 0.0
12 07:35 NW 14 9.00 Overcast OVC042 28.8 16.2 59% 19 30.01 0.0
12 07:15 NW 13 9.00 Overcast OVC040 28.8 16.5 60% 19 30.01 0.0
12 06:55 NW 16 G 24 10.00 Overcast OVC040 28.8 16.3 30 28.6 60% 18 30 0.0
12 06:35 NW 18 G 25 10.00 Overcast OVC040 28.8 16.2 59% 17 29.99 0.0
12 06:15 NW 18 G 28 10.00 Overcast OVC040 28.9 16 58% 17 29.99 0.0
12 05:55 NW 15 10.00 Overcast OVC040 28.8 16.3 60% 18 29.99 0.0
12 05:35 NW 17 10.00 Overcast OVC041 28.8 16.5 60% 17 29.98 0.0
12 05:15 NW 15 10.00 Overcast OVC039 28.6 16.9 62% 18 29.98 0.0
12 04:55 NW 17 10.00 Overcast OVC039 28.8 16.5 60% 17 29.98 0.0
12 04:35 NW 17 G 29 10.00 Overcast OVC040 29.1 16.3 59% 18 29.98 0.0
12 04:15 NW 18 10.00 Overcast OVC040 28.9 16.2 59% 17 29.97 0.0
12 03:55 NW 16 10.00 Overcast OVC040 29.1 16 58% 18 29.97 0.0
12 03:35 NW 14 10.00 Overcast OVC041 28.9 16.2 59% 19 29.97 0.0
12 03:15 NW 14 10.00 Overcast OVC042 28.9 15.8 58% 19 29.97 0.0
12 02:55 NW 12 G 20 10.00 Overcast OVC042 29.1 15.6 57% 20 29.97 0.0
12 02:35 W 14 10.00 Overcast OVC042 29.1 15.4 57% 19 29.96 0.0
12 02:15 NW 16 10.00 Overcast OVC043 29.1 15.6 57% 18 29.96 0.0
12 01:55 NW 15 10.00 Overcast OVC042 29.7 15.1 54% 19 29.96 0.0
12 01:35 NW 18 10.00 Overcast OVC042 30 14.7 53% 19 29.96 0.0
12 01:15 NW 20 G 30 10.00 Overcast OVC044 30 15.1 54% 18 29.95 0.0
12 00:55 NW 20 G 33 10.00 Overcast OVC045 30.4 15.1 33.3 30.4 53% 19 29.94 0.0
12 00:35 NW 16 G 30 10.00 Overcast OVC045 30.4 14.4 51% 20 29.94 0.0
12 00:15 NW 24 G 31 10.00 Overcast and Breezy OVC044 30.7 15.4 53% 18 29.94 0.0
11 23:55 NW 16 G 28 10.00 Overcast OVC040 31.1 17.8 58% 21 29.94 0.0
11 23:35 NW 18 G 24 10.00 Overcast OVC037 31.1 19 61% 20 29.93 0.0
11 23:15 NW 14 10.00 Overcast OVC035 31.5 19.2 61% 22 29.93 0.0
11 22:55 NW 13 10.00 Overcast OVC038 31.6 19 60% 23 29.92 0.0
11 22:35 NW 20 G 24 10.00 Overcast OVC039 32 18.7 58% 21 29.92 0.0
11 22:15 NW 16 10.00 Overcast OVC042 32 18.3 57% 22 29.92 0.0
11 21:55 NW 15 G 26 10.00 Overcast OVC044 31.5 18.1 58% 22 29.92 0.0
11 21:35 NW 13 10.00 Mostly Cloudy BKN044 31.1 18.1 59% 22 29.92 0.0
11 21:15 NW 14 10.00 Partly Cloudy SCT045 30.9 18 59% 21 29.92 0.0
11 20:55 NW 15 10.00 Fair CLR 31.5 17.6 56% 22 29.92 0.0
11 20:35 NW 18 G 25 10.00 Fair CLR 31.3 17.6 57% 20 29.92 0.0
11 20:15 NW 20 G 25 10.00 Fair CLR 32.2 16.9 53% 21 29.92 0.0
11 19:55 NW 21 G 29 10.00 Fair and Breezy CLR 32.2 17.4 54% 21 29.91 0.0
11 19:35 NW 17 10.00 Fair CLR 32.4 18.3 56% 22 29.91 0.0
11 19:15 NW 20 G 28 10.00 Fair CLR 33.1 18 54% 22 29.91 0.0
11 18:55 NW 21 G 26 10.00 A Few Clouds and Breezy FEW050 33.4 19.4 38.5 33.4 56% 22 29.9 0.0
11 18:35 NW 15 G 28 10.00 Mostly Cloudy BKN048 34 19 54% 25 29.9 0.0
11 17:55 NW 18 G 24 10.00 Overcast OVC042 34.9 20.8 57% 25 29.88 0.0
11 17:35 NW 17 G 30 9.00 Overcast OVC041 35.4 21.2 56% 26 29.88 0.0
11 17:15 NW 15 G 23 9.00 Overcast OVC042 35.6 21.7 57% 27 29.86 0.0
11 16:55 NW 22 9.00 Overcast and Breezy OVC044 36.1 22.3 57% 26 29.85 0.0
11 16:35 NW 21 G 36 10.00 Overcast and Breezy OVC047 36.7 21.7 55% 27 29.84 0.0
11 16:15 NW 20 G 28 10.00 Overcast OVC047 37 23 57% 27 29.83 0.0
11 15:55 NW 22 10.00 Overcast and Breezy OVC047 37.2 23.5 58% 27 29.83 0.0
11 15:35 NW 22 G 30 10.00 Overcast and Breezy BKN049 OVC055 37.2 24.3 60% 27 29.82 0.0
11 15:15 NW 23 G 28 10.00 Overcast and Breezy BKN037 OVC055 37.2 24.3 60% 27 29.81 0.0
11 14:55 NW 15 10.00 Unknown Precip OVC036 37 25.9 64% 29 29.81 0.0
11 14:35 NW 16 9.00 Unknown Precip OVC035 37.2 25.3 62% 29 29.81 0.0
11 14:15 NW 18 10.00 Overcast OVC035 37.6 25.3 61% 28 29.81 0.0
11 13:55 NW 22 G 28 10.00 Overcast and Breezy OVC040 37.9 25.2 60% 28 29.81 0.0
11 13:35 NW 17 G 25 10.00 Overcast OVC038 37.9 24.8 59% 29 29.81 0.0
11 13:15 NW 23 G 26 10.00 Overcast and Breezy OVC042 38.3 24.6 58% 28 29.81 0.0
11 12:35 NW 20 10.00 Overcast OVC044 38.1 25.3 60% 29 29.81 0.0
11 12:15 NW 18 G 26 9.00 Overcast OVC042 38.5 26.2 61% 30 29.81 0.0
11 11:55 NW 18 G 24 10.00 Overcast OVC042 38.7 26.8 62% 30 29.81 0.0
11 11:35 W 17 9.00 Overcast OVC045 38.8 26.8 62% 30 29.81 0.0
11 11:15 W 16 9.00 Overcast BKN043 OVC050 39.2 27 62% 31 29.81 0.0
11 10:55 W 15 8.00 Overcast OVC041 38.8 27.1 63% 31 29.82 0.0
11 10:35 W 14 8.00 Overcast OVC043 39.2 26.8 61% 32 29.82 0.0
11 10:15 W 14 10.00 Overcast OVC046 39 27 62% 32 29.81 0.0
11 09:55 W 16 10.00 Overcast OVC046 38.8 26.8 62% 31 29.81 0.0
11 09:35 W 14 10.00 Overcast OVC044 38.7 26.8 62% 31 29.82 0.0
11 09:15 W 8 10.00 Overcast OVC041 37 27 67% 32 29.81 0.0
11 08:55 W 12 10.00 Overcast OVC041 36.5 25.9 65% 29 29.81 0.0
11 08:35 NW 16 10.00 Overcast OVC041 37.4 25.3 62% 29 29.82 0.0
11 08:15 NW 7 7.00 Mostly Cloudy BKN041 30 23.5 77% 24 29.82 0.0
11 07:55 W 7 6.00 Fair with Haze CLR 27.5 22.5 81% 21 29.81 0.0
11 07:35 W 6 6.00 Fair with Haze CLR 27.1 22.1 81% 21 29.8 0.0
11 07:15 W 7 8.00 Fair CLR 32.5 25 74% 27 29.8 0.0
11 06:55 NW 7 8.00 Fair CLR 30.2 23.5 36.5 26.8 76% 24 29.79 0.0
11 06:35 NW 8 10.00 Fair CLR 33.1 25.2 73% 27 29.79 0.0
11 06:15 NW 9 10.00 Fair CLR 33.1 24.8 72% 26 29.78 0.0
11 05:55 NW 8 10.00 Fair CLR 32.7 23.9 70% 26 29.77 0.0
11 05:35 NW 6 10.00 Fair CLR 28.8 22.1 76% 23 29.77 0.0
11 05:15 W 7 8.00 Fair CLR 27.7 22.3 80% 21 29.77 0.0
11 04:55 W 8 9.00 Fair CLR 30 22.5 73% 23 29.76 0.0
11 04:35 W 9 10.00 Fair CLR 31.8 22.3 68% 25 29.75 0.0
11 04:15 W 9 10.00 Fair CLR 33.4 21.7 62% 27 29.74 0.0
11 03:55 NW 12 10.00 A Few Clouds FEW190 36.3 21.7 56% 29 29.73 0.0
11 03:35 NW 12 10.00 Partly Cloudy SCT190 35.4 22.1 58% 28 29.72 0.0
11 03:15 NW 8 10.00 Mostly Cloudy BKN190 34.7 22.1 60% 29 29.71 0.0
11 02:55 W 8 10.00 Fair CLR 35.4 22.6 60% 30 29.7 0.0
11 02:35 W 9 10.00 Fair CLR 35.6 22.8 60% 29 29.7 0.0
11 02:15 W 7 10.00 A Few Clouds FEW045 35.8 24.6 64% 31 29.7 0.0
11 01:55 W 7 10.00 Overcast OVC041 35.6 26.6 70% 31 29.7 0.0
11 01:35 NW 6 10.00 Overcast BKN039 OVC055 34.2 26.6 74% 30 29.7 0.0
11 01:15 NW 5 10.00 Overcast SCT042 OVC055 34.3 25.9 71% 31 29.7 0.0
11 00:55 Vrbl 3 10.00 Overcast BKN044 OVC060 33.6 23.4 34.3 30.7 66% 29.71 0.0
11 00:35 W 3 10.00 Overcast OVC045 32.9 23.5 68% 29.72 0.0
11 00:15 N 3 10.00 Overcast BKN047 OVC080 32.7 24.8 73% 29.72 0.0
10 23:55 Calm 9.00 Unknown Precip BKN050 OVC075 33.3 21.2 61% 29.71 0.0
10 23:35 Calm 10.00 Overcast BKN048 OVC060 33.3 21.9 63% 29.72 0.0
10 23:15 Calm 9.00 Unknown Precip BKN050 OVC090 33.6 20.5 59% 29.72 0.0
10 22:55 Calm 10.00 Overcast BKN055 BKN070 OVC090 31.6 22.3 68% 29.74 0.0
10 22:35 Calm 10.00 Overcast SCT060 OVC090 31.5 21.6 67% 29.75 0.0
10 22:15 Calm 10.00 Overcast SCT055 BKN080 OVC100 30.9 21.6 68% 29.76 0.0
10 21:55 Calm 10.00 Mostly Cloudy BKN065 32.2 20.7 62% 29.76 0.0
10 21:35 NW 3 10.00 A Few Clouds FEW110 30.9 20.5 65% 29.77 0.0
10 21:15 W 7 10.00 A Few Clouds FEW110 32.5 20.1 60% 27 29.78 0.0
10 20:55 Vrbl 5 10.00 Partly Cloudy FEW280 SCT330 31.8 20.5 63% 28 29.76 0.0
10 20:35 Vrbl 5 10.00 A Few Clouds FEW290 31.6 20.5 63% 28 29.77 0.0
10 20:15 S 5 10.00 A Few Clouds FEW270 32 20.1 62% 28 29.78 0.0
10 19:55 Vrbl 5 10.00 A Few Clouds FEW300 31.5 20.3 63% 27 29.8 0.0
10 19:35 Vrbl 3 10.00 A Few Clouds FEW310 31.8 20.1 62% 29.82 0.0
10 18:55 Vrbl 7 10.00 Partly Cloudy SCT280 32.5 18.9 36.9 32.5 57% 27 29.84 0.0
10 18:35 S 8 10.00 Fair CLR 32.5 18.9 57% 26 29.85 0.0
10 18:15 Vrbl 5 10.00 Fair CLR 33.3 18.5 55% 30 29.86 0.0
10 17:55 S 6 10.00 Fair CLR 33.8 18.7 54% 29 29.87 0.0
10 17:35 S 6 10.00 Fair CLR 34.5 18.1 51% 30 29.88 0.0
10 17:15 Vrbl 6 10.00 A Few Clouds FEW300 35.4 17.2 48% 31 29.89 0.0
10 16:55 Vrbl 3 9.00 Fair CLR 36.3 17.2 46% 29.9 0.0
10 16:35 Vrbl 3 10.00 Fair CLR 36.7 17.1 45% 29.91 0.0
10 16:15 S 6 10.00 A Few Clouds FEW240 36.9 16 43% 33 29.91 0.0
10 15:55 S 6 10.00 Mostly Cloudy BKN240 36.5 15.3 42% 32 29.92 0.0
10 15:35 Vrbl 6 10.00 Mostly Cloudy BKN220 36.1 14.4 41% 32 29.93 0.0
10 15:15 SE 6 10.00 Overcast SCT200 OVC220 36.3 13.8 40% 32 29.94 0.0
10 14:55 Vrbl 6 10.00 Overcast OVC200 36 12.2 37% 32 29.96 0.0
10 14:35 Calm 10.00 Overcast OVC190 36 11.8 37% 29.97 0.0
10 14:15 S 3 10.00 Mostly Cloudy BKN180 BKN200 34.7 10.4 36% 29.98 0.0
10 13:55 Calm 10.00 Overcast BKN170 OVC200 34.3 9.9 36% 29.99 0.0
10 13:35 Calm 10.00 Overcast BKN170 OVC190 34 10.4 37% 30 0.0
10 13:15 Calm 10.00 Overcast OVC160 33.3 8.6 35% 30 0.0
10 12:15 Vrbl 3 10.00 Mostly Cloudy FEW160 BKN180 31.6 8.1 37% 30.03 0.0
10 11:15 S 5 10.00 Overcast BKN100 OVC130 30 6.8 37% 26 30.09 0.0
10 10:55 S 6 10.00 Overcast SCT045 BKN100 OVC120 29.7 6.8 38% 24 30.1 0.0
10 10:35 Calm 10.00 Overcast BKN043 OVC100 28.4 6.4 39% 30.09 0.0
10 10:15 SW 5 10.00 Overcast OVC040 28 5.4 38% 24 30.11 0.0
10 09:55 S 5 10.00 Overcast BKN040 OVC047 27 4.5 38% 22 30.12 0.0
10 09:35 Vrbl 3 10.00 Overcast OVC046 26.6 3.6 37% 30.13 0.0
10 09:15 SW 3 10.00 Mostly Cloudy SCT048 BKN110 26.4 5.4 40% 30.13 0.0
10 08:55 S 3 10.00 Overcast SCT080 OVC110 24.3 5.9 45% 30.12 0.0
10 08:35 Calm 8.00 Overcast FEW031 SCT050 BKN080 OVC095 23.5 7.5 50% 30.12 0.0
10 08:15 Calm 9.00 Overcast FEW032 OVC055 23.2 8.8 54% 30.12 0.0
10 07:55 Calm 10.00 Overcast SCT030 BKN039 OVC060 22.5 8.2 54% 30.14 0.0
10 07:35 Calm 10.00 Overcast BKN035 BKN042 OVC060 22.8 5 46% 30.13 0.0
10 07:15 Calm 10.00 Overcast BKN036 BKN050 OVC060 22.6 4.5 45% 30.13 0.0
10 06:55 Calm 10.00 Overcast BKN039 BKN049 BKN065 OVC080 22.5 7.5 23.9 16.2 52% 30.12 0.0
10 06:35 Calm 10.00 Overcast BKN040 OVC049 22.3 10.4 60% 30.13 0.0
10 06:15 Calm 10.00 Overcast BKN046 BKN060 OVC080 21.7 7.3 54% 30.13 0.0
10 05:55 Calm 10.00 Overcast OVC085 21.6 9.5 60% 30.13 0.0
10 05:35 Calm 10.00 Overcast SCT065 OVC085 21.7 7.9 55% 30.12 0.0
10 05:15 Calm 10.00 Overcast OVC060 23.2 7.2 50% 30.12 0.0
10 04:55 Calm 10.00 Overcast OVC060 22.5 4.5 46% 30.13 0.0
10 04:35 Calm 10.00 Overcast OVC060 22.3 4.1 45% 30.13 0.0
10 04:15 Calm 10.00 Overcast OVC060 21 6.8 54% 30.13 0.0
10 03:55 Calm 10.00 Overcast OVC060 20.3 6.6 55% 30.13 0.0
10 03:35 Calm 10.00 Overcast OVC060 18.7 7.2 61% 30.13 0.0
10 03:15 SW 3 10.00 Overcast OVC060 20.3 2.8 46% 30.14 0.0
10 02:55 Calm 10.00 Overcast OVC065 20.5 2.5 45% 30.14 0.0
10 02:35 Calm 10.00 Overcast OVC065 20.5 2.3 45% 30.14 0.0
10 02:15 Calm 10.00 Mostly Cloudy BKN065 BKN200 19.8 3.4 49% 30.15 0.0
10 01:55 N 5 10.00 A Few Clouds FEW200 18.1 3.6 53% 12 30.16 0.0
10 01:35 W 6 9.00 A Few Clouds FEW240 17.1 2.5 52% 10 30.16 0.0
10 01:15 W 7 9.00 Partly Cloudy SCT240 19.2 2.5 48% 11 30.16 0.0
10 00:55 W 6 10.00 Overcast BKN240 OVC260 20.1 2.1 22.8 17.2 45% 13 30.17 0.0
10 00:35 W 7 10.00 Mostly Cloudy SCT240 BKN270 21.7 2.3 43% 14 30.16 0.0
10 00:15 W 5 10.00 A Few Clouds FEW280 18.7 1.8 47% 13 30.17 0.0
09 23:55 W 5 10.00 Fair CLR 20.8 2.8 45% 15 30.18 0.0
09 23:35 W 6 10.00 Fair CLR 17.6 2.8 52% 10 30.18 0.0
09 23:15 W 6 10.00 Fair CLR 21.2 2.1 43% 14 30.18 0.0
09 22:55 W 5 10.00 Fair CLR 22.1 1.6 41% 17 30.18 0.0
09 22:35 W 6 10.00 A Few Clouds FEW320 22.1 1.4 40% 15 30.19 0.0
09 22:15 W 6 10.00 A Few Clouds FEW320 22.1 1.4 40% 15 30.19 0.0
09 21:55 W 5 10.00 Fair CLR 21.6 3.2 45% 16 30.19 0.0
09 21:35 NW 5 10.00 A Few Clouds FEW290 21.6 3 44% 16 30.2 0.0
09 21:15 W 5 10.00 Partly Cloudy FEW150 SCT290 21.6 3.7 46% 16 30.2 0.0
09 20:55 W 6 10.00 Overcast OVC150 22.3 4.3 46% 16 30.21 0.0
09 20:35 W 5 10.00 Overcast OVC150 22.6 3.6 44% 17 30.21 0.0
09 20:15 W 5 10.00 Overcast OVC150 21.9 4.6 47% 16 30.21 0.0
09 19:55 W 8 10.00 Overcast OVC150 21.9 5.4 49% 13 30.21 0.0
09 19:35 W 6 10.00 Overcast OVC160 22.6 4.8 46% 16 30.2 0.0
09 19:15 Calm 10.00 Overcast OVC150 22.6 4.8 46% 30.2 0.0
09 18:35 Vrbl 5 10.00 Overcast OVC130 21.9 5.5 49% 16 30.2 0.0
09 18:15 W 7 10.00 Overcast OVC130 21.4 6.3 52% 14 30.21 0.0
09 17:55 W 7 9.00 Overcast BKN130 OVC150 21.4 5.7 51% 14 30.21 0.0
09 17:35 W 6 9.00 Overcast OVC140 21.6 5.4 49% 15 30.2 0.0
09 17:15 W 7 10.00 Mostly Cloudy SCT140 BKN180 BKN200 22.1 4.6 47% 14 30.19 0.0
09 16:35 W 8 10.00 A Few Clouds FEW320 21.6 5.5 50% 13 30.2 0.0
09 16:15 W 7 9.00 Fair CLR 22.5 3.7 44% 15 30.21 0.0
09 15:35 W 5 9.00 A Few Clouds FEW200 22.1 3.7 45% 17 30.22 0.0
09 15:15 NW 6 9.00 Fair CLR 22.3 3.4 44% 16 30.23 0.0
09 14:55 W 7 9.00 Fair CLR 21.2 3.9 47% 13 30.24 0.0
09 14:15 NW 10 9.00 Fair CLR 20.3 4.1 49% 10 30.25 0.0
09 13:15 W 8 9.00 Fair CLR 18.9 2.3 48% 10 30.26 0.0
09 12:35 NW 8 9.00 Fair CLR 18 1.4 48% 9 30.29 0.0
09 12:15 NW 10 10.00 Fair CLR 17.6 1.2 48% 7 30.31 0.0
09 11:55 NW 9 9.00 Fair CLR 16.5 1.2 51% 6 30.32 0.0
09 11:35 W 10 9.00 Fair CLR 15.4 1 53% 4 30.32 0.0
09 11:15 NW 9 9.00 Fair CLR 15.1 0.1 51% 4 30.32 0.0
09 10:55 NW 7 9.00 Fair CLR 14.2 -1.1 50% 5 30.31 0.0
09 10:35 NW 10 9.00 Fair CLR 13.3 -1.5 51% 1 30.32 0.0
09 10:15 NW 13 9.00 Fair CLR 12.7 -1.8 52% -1 30.32 0.0
Date Time (est) 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)