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.
26 23:56 Calm 16.09 Fair CLR 17.8 17.2 96% 76.61 1022.5
26 22:56 Calm 16.09 Fair CLR 18.9 17.2 90% 76.58 1022.0
26 21:56 Calm 16.09 Fair CLR 19.4 17.8 91% 76.56 1021.8
26 20:56 Calm 16.09 Fair CLR 21.1 16.7 76% 76.53 1021.4
26 19:56 Calm 16.09 Fair CLR 23.9 15.6 28.9 23.9 60% 25 76.5 1021.2
26 18:56 Calm 16.09 Fair CLR 25 16.1 58% 26 76.5 1021.1
26 17:56 Vrbl 6 16.09 Fair CLR 26.1 14.4 49% 27 76.5 1020.9
26 16:56 Vrbl 6 16.09 Fair CLR 27.2 13.9 44% 27 76.53 1021.0
26 15:56 Vrbl 6 16.09 Fair CLR 28.9 13.3 38% 28 76.53 1021.3
26 14:56 Calm 11.27 Fair CLR 27.2 13.9 44% 27 76.58 1021.9
26 13:56 Vrbl 6 16.09 Partly Cloudy SCT080 27.2 13.9 27.2 20 44% 27 76.63 1022.3
26 12:56 Vrbl 6 16.09 Overcast OVC070 25.6 14.4 50% 26 76.66 1023.1
26 11:56 SE 7 16.09 Mostly Cloudy BKN065 25 14.4 52% 26 76.68 1023.5
26 10:56 Vrbl 6 16.09 Overcast OVC060 23.3 13.9 56% 76.71 1023.7
26 09:56 Vrbl 7 16.09 Overcast OVC055 22.8 13.3 55% 76.71 1023.8
26 08:56 Vrbl 6 16.09 Overcast BKN045 OVC055 21.7 16.1 71% 76.71 1023.8
26 07:56 Calm 16.09 Overcast OVC050 20 17.2 21.1 19.4 84% 76.68 1023.2
26 06:56 Calm 16.09 Overcast BKN055 OVC100 20 15.6 76% 76.61 1022.4
26 05:56 Vrbl 6 16.09 Overcast BKN075 OVC100 20.6 14.4 68% 76.56 1021.6
26 04:56 Vrbl 9 16.09 Overcast OVC080 20.6 13.9 66% 76.53 1021.3
26 03:56 Vrbl 7 16.09 Overcast BKN060 OVC095 21.1 19.4 90% 76.53 1021.1
26 02:56 Calm 4.83 Fog/Mist FEW060 20.6 20.6 100% 76.5 1020.8
26 01:56 Calm 6.44 Fog/Mist BKN100 20.6 20.6 26.1 20.6 100% 76.5 1020.8
26 00:56 Calm 8.05 Fog/Mist BKN100 21.1 21.1 100% 76.53 1021.0
25 23:56 Calm 9.66 Fog/Mist CLR 21.1 21.1 100% 76.5 1020.8
25 22:56 Calm 16.09 Fair CLR 22.2 22.2 100% 76.53 1021.2
25 21:56 Calm 16.09 Fair CLR 22.8 22.8 100% 76.53 1021.2
25 20:56 Calm 16.09 Partly Cloudy SCT090 23.9 22.2 90% 23 76.48 1020.5
25 19:56 Calm 16.09 Mostly Cloudy SCT090 BKN110 26.1 20 28.3 25.6 69% 27 76.43 1019.9
25 18:56 SE 7 16.09 Mostly Cloudy SCT080 BKN090 26.7 20.6 69% 28 76.4 1019.6
25 17:56 Vrbl 6 16.09 Fair CLR 28.3 20.6 63% 30 76.4 1019.4
25 16:56 NW 6 16.09 Fair CLR 27.2 20.6 67% 29 76.43 1019.6
25 15:56 Calm 16.09 A Few Clouds FEW036 27.2 20.6 67% 29 76.4 1019.5
25 14:56 Vrbl 6 16.09 Mostly Cloudy FEW037 BKN120 27.2 20.6 67% 29 76.45 1020.0
25 13:56 NW 9 16.09 Mostly Cloudy FEW036 BKN110 27.8 20 28.9 23.3 63% 29 76.5 1020.8
25 12:56 Vrbl 9 16.09 A Few Clouds FEW031 27.8 20.6 65% 30 76.53 1021.2
25 11:56 NW 13 16.09 Fair CLR 27.2 20.6 67% 29 76.56 1021.4
25 10:56 NW 11 16.09 Fair CLR 26.7 20.6 69% 28 76.58 1021.7
25 09:56 NW 7 16.09 Mostly Cloudy BKN085 25.6 21.7 79% 27 76.56 1021.5
25 08:56 W 9 16.09 Fair CLR 24.4 24.4 100% 24 76.56 1021.3
25 07:56 Calm 12.87 A Few Clouds FEW070 23.3 23.3 23.3 22.2 100% 76.53 1021.1
25 06:56 Calm 16.09 Fair CLR 23 0 0% 76.5 1020.7
25 05:56 Calm 16.09 Fair CLR 22.8 22.8 100% 76.48 1020.6
25 04:56 Calm 12.87 Fair CLR 22 0 0% 76.45 1020.2
25 03:56 Calm 16.09 Light Rain FEW120 22.8 22.8 100% 76.48 1020.4
25 02:56 W 6 16.09 Fair CLR 22.8 22.8 100% 76.5 1020.8
25 01:56 Calm 16.09 Fair CLR 22.2 22.2 26.7 22.2 100% 76.48 1020.5
25 00:56 Calm 16.09 Fair CLR 22.8 22.8 100% 76.5 1020.6
24 23:56 Calm 16.09 Fair CLR 23.3 23.3 100% 76.48 1020.5
24 22:56 Calm 16.09 Mostly Cloudy BKN100 23.3 23.3 100% 76.56 1021.3
24 21:56 S 7 16.09 Mostly Cloudy BKN100 24.4 22.8 91% 24 76.56 1021.4
24 20:56 Calm 16.09 Partly Cloudy SCT110 25.6 21.7 79% 27 76.5 1020.8
24 19:56 Calm 16.09 A Few Clouds FEW110 26.7 22.2 30.6 25 76% 29 76.48 1020.2 0.05
24 18:56 Calm 16.09 Overcast BKN095 OVC110 26.7 22.8 79% 29 76.43 1019.7
24 17:56 Calm 16.09 A Few Clouds FEW090 26.7 23.3 82% 29 76.45 1020.0
24 16:56 Calm 16.09 Light Rain BKN037 BKN050 OVC095 26.1 24.4 90% 28 76.45 1020.1 0.05 0.05
24 15:56 W 11 16.09 Light Rain SCT065 BKN090 OVC100 26.1 22.2 79% 28 76.5 1020.7
24 14:56 NW 7 16.09 Partly Cloudy FEW034 SCT055 SCT120 30 20.6 57% 32 76.5 1020.8
24 13:56 Vrbl 9 16.09 Mostly Cloudy SCT036 BKN120 30 21.7 30.6 23.9 61% 33 76.53 1021.2
24 12:56 Calm 16.09 A Few Clouds FEW120 27.8 22.2 72% 30 76.56 1021.5
24 11:56 Calm 16.09 A Few Clouds FEW050 27.8 22.2 72% 30 76.58 1021.6
24 10:56 W 6 16.09 Mostly Cloudy FEW011 BKN050 BKN095 26.1 23.3 85% 28 76.56 1021.4
24 09:56 NW 7 16.09 Overcast BKN009 OVC100 24.4 23.9 97% 24 76.56 1021.3
24 08:56 Calm 16.09 Overcast SCT009 OVC110 24.4 23.9 97% 24 76.53 1021.0
24 07:56 Calm 16.09 Overcast OVC007 23.9 23.9 23.9 22.2 100% 22 76.5 1020.9 0.03
24 06:56 Calm 16.09 Partly Cloudy FEW011 SCT120 22.8 22.8 100% 76.5 1020.6
24 05:56 Calm 4.83 Fog/Mist OVC011 22.2 22.2 100% 76.5 1020.8 0.03
24 04:56 SE 6 16.09 Light Rain SCT120 22.8 22.8 100% 76.48 1020.5
24 03:56 S 6 16.09 Light Rain OVC120 22.8 22.8 100% 76.48 1020.4
24 02:56 SW 6 16.09 Mostly Cloudy BKN120 23.3 23.3 100% 76.5 1020.7
24 01:56 Calm 16.09 Light Rain CLR 22.8 22.8 27.2 22.2 100% 76.48 1020.3 0.05
24 00:56 Calm 16.09 A Few Clouds FEW008 22.2 22.2 100% 76.5 1020.8
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)