Weather observations for the past three days for
Gaithersburg - Montgomery 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.
28 06:56 S 7 16.09 Fair CLR 10 6.1 77% 9 76.63 1022.9
28 05:56 S 6 16.09 Fair CLR 10 6.1 77% 76.63 1023.1
28 04:56 S 7 16.09 Fair CLR 10 6.7 80% 9 76.66 1023.3
28 03:56 SE 11 16.09 Fair CLR 10 7.8 86% 9 76.71 1024.0
28 02:56 SE 9 16.09 Fair CLR 9.4 7.2 86% 8 76.76 1024.6
28 01:56 SE 13 16.09 Fair CLR 10 7.8 16.7 10 86% 8 76.73 1024.2
28 00:56 SE 13 16.09 Fair CLR 10.6 7.8 83% 76.78 1024.8
27 23:56 E 6 16.09 Fair CLR 11.7 6.1 69% 76.81 1025.2
27 22:56 SE 7 16.09 Fair CLR 13.3 5 57% 76.78 1025.2
27 21:56 SE 6 16.09 Fair CLR 12.8 5.6 62% 76.81 1025.4
27 20:56 SE 7 16.09 Fair CLR 14.4 5.6 56% 76.78 1025.1
27 19:56 SE 11 16.09 Fair CLR 16.7 5 21.7 16.7 46% 76.76 1024.9
27 18:56 SE 15 16.09 Fair CLR 19.4 5.6 41% 76.73 1024.3
27 17:56 Vrbl 9 16.09 Fair CLR 20.6 5.6 38% 76.71 1024.0
27 16:56 SE 11 16.09 Fair CLR 21.7 6.1 36% 76.73 1024.3
27 15:56 Vrbl 7 16.09 Fair CLR 21.1 5.6 37% 76.76 1024.7
27 14:56 Vrbl 9 16.09 A Few Clouds FEW055 21.1 6.1 38% 76.81 1025.2
27 13:56 Vrbl 7 16.09 Mostly Cloudy BKN050 20 6.7 20 7.8 42% 76.81 1025.4
27 12:56 Calm 16.09 Fair CLR 18.3 6.1 45% 76.89 1026.3
27 11:56 Calm 16.09 Fair CLR 18.9 7.2 47% 76.89 1026.3
27 10:56 SW 6 16.09 A Few Clouds FEW035 17.2 7.2 52% 76.91 1026.7
27 09:56 NW 7 16.09 Fair CLR 14.4 6.7 60% 76.91 1026.8
27 08:56 Calm 16.09 Fair CLR 11.1 8.3 83% 76.89 1026.6
27 07:56 Calm 12.87 Fair CLR 8 0 7.8 3.3 0% 76.86 1026.3
27 06:56 Calm 6.44 Fair with Haze CLR 4 0 0% 76.78 1025.2
27 05:56 Calm 4.02 Fog/Mist CLR 3 0 0% 76.73 1024.7
27 04:56 Calm 6.44 Fair with Haze CLR 4 0 0% 76.76 1024.8
27 03:56 Calm 4.83 Fog/Mist CLR 5 0 0% 76.76 1024.9
27 02:56 Calm 9.66 Fair with Haze CLR 5 0 0% 76.73 1024.7
27 01:56 Calm 12.87 Fair CLR 6 0 12.2 6.1 0% 76.73 1024.7
27 00:56 Calm 16.09 Fair CLR 7 0 0% 76.73 1024.5
26 23:56 Calm 16.09 Fair CLR 7.8 7.8 100% 76.71 1024.3
26 22:56 Calm 16.09 Fair CLR 9.4 9.4 100% 76.73 1024.3
26 21:56 SE 6 16.09 Overcast OVC040 11.7 8.3 80% 76.71 1024.2
26 20:56 Calm 16.09 Overcast OVC029 12.2 7.8 75% 76.66 1023.5
26 19:56 Vrbl 6 16.09 Overcast OVC035 12.2 8.3 14.4 10.6 77% 76.61 1022.6
26 18:56 Calm 16.09 Overcast OVC039 12.8 7.8 72% 76.56 1022.2
26 17:56 Vrbl 6 16.09 Overcast OVC035 13.3 7.8 70% 76.53 1021.9
26 16:56 Vrbl 6 16.09 Overcast OVC029 13.9 7.2 64% 76.5 1021.5
26 15:56 Vrbl 7 16.09 Overcast OVC025 12.8 6.7 67% 76.48 1021.2
26 14:56 NE 9 16.09 Overcast OVC023 12.2 6.7 69% 76.5 1021.4
26 13:56 Vrbl 6 16.09 Overcast OVC019 10.6 6.7 11.1 6.7 77% 76.53 1021.8
26 12:56 Vrbl 7 16.09 Overcast OVC019 10 6.7 80% 9 76.53 1021.7
26 11:56 Vrbl 7 16.09 Overcast OVC017 10.6 7.2 80% 76.5 1021.5
26 10:56 Vrbl 6 16.09 Overcast OVC013 8.9 7.2 89% 76.5 1021.4
26 09:56 Calm 16.09 Overcast OVC013 8.9 7.8 93% 76.45 1020.8
26 08:56 Vrbl 6 16.09 Overcast OVC013 8.3 7.2 93% 76.43 1020.5
26 07:56 Vrbl 6 16.09 Overcast OVC009 7 0 7.2 6.1 0% 76.38 1020.1
26 06:56 Vrbl 7 16.09 Overcast OVC009 6 0 0% 5 76.33 1019.3
26 05:56 Vrbl 6 16.09 Overcast OVC011 6 0 0% 76.28 1018.4
26 04:56 Vrbl 6 16.09 Overcast OVC011 6 0 0% 76.2 1017.5
26 03:56 N 7 16.09 Overcast OVC009 6 0 0% 5 76.17 1016.8
26 02:56 Vrbl 6 16.09 Overcast OVC009 7 0 0% 76.12 1016.5
26 01:56 Calm 11.27 Light Rain OVC007 7 0 8.9 7.2 0% 76.12 1016.4 0.1
26 00:56 Vrbl 6 16.09 Overcast BKN009 OVC014 8 0 0% 76.1 1016.1
25 23:56 Vrbl 7 16.09 Overcast BKN007 OVC013 8 0 0% 7 76.07 1015.7
25 22:56 Calm 16.09 Light Rain OVC005 8 0 0% 76.07 1015.6 0.05 0.1
25 21:56 Vrbl 6 9.66 Light Rain OVC005 9 0 0% 76.05 1015.5 0.05
25 20:56 Vrbl 6 16.09 Overcast OVC007 9 0 0% 76.02 1015.0
25 19:56 Calm 16.09 Light Rain OVC007 9 0 16.1 8.9 0% 75.95 1014.1 0.33
25 18:56 Vrbl 6 16.09 Overcast OVC007 9 0 0% 75.95 1013.8 0.08
25 17:56 Vrbl 9 12.87 Light Rain SCT009 BKN020 OVC095 10 0 0% 9 75.9 1013.3 0.2
25 16:56 E 6 9.66 Rain Fog/Mist OVC023 11.1 11.1 100% 75.95 1014.0 0.05 0.05
25 15:56 Vrbl 9 16.09 Light Rain OVC027 12.8 11.7 93% 75.92 1013.4
25 14:56 Vrbl 9 16.09 Overcast OVC029 15.6 7.8 60% 75.9 1013.0
25 13:56 Vrbl 9 16.09 Overcast OVC025 16.1 9.4 16.7 12.2 65% 75.9 1013.1
25 12:56 Vrbl 7 16.09 Overcast OVC023 16.1 9.4 65% 75.92 1013.4
25 11:56 E 13 G 26 16.09 Overcast OVC021 15.6 9.4 67% 75.92 1013.5
25 10:56 Vrbl 6 16.09 Overcast OVC019 15 10 72% 75.92 1013.6
25 09:56 Calm 16.09 Overcast OVC015 13.3 10.6 84% 75.97 1014.0
25 08:56 Vrbl 11 16.09 Overcast OVC011 12.2 11.7 97% 75.97 1014.0
25 07:56 Vrbl 6 16.09 Overcast OVC011 12.2 11.7 13.9 11.1 97% 75.92 1013.5
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)