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.
25 07:56 Calm 16.09 Fair CLR 16.1 14.4 16.1 12.8 90% 76.43 1020.1
25 06:56 Calm 16.09 Fair CLR 13.3 13.3 100% 76.4 1019.6
25 05:56 Calm 16.09 Fair CLR 13 0 0% 76.38 1019.2
25 04:56 Calm 16.09 Fair CLR 13 0 0% 76.35 1019.0
25 03:56 Calm 16.09 Fair CLR 13.3 13.3 100% 76.33 1018.7
25 02:56 Calm 16.09 Fair CLR 13.9 13.9 100% 76.35 1018.9
25 01:56 Calm 16.09 Fair CLR 14.4 14.4 21.1 14.4 100% 76.35 1019.0
25 00:56 Calm 16.09 Fair CLR 16.1 13.3 84% 76.38 1019.3
24 23:56 Calm 16.09 Fair CLR 15.6 15 96% 76.38 1019.3
24 22:56 NW 6 16.09 Fair CLR 16.1 15 93% 76.35 1019.0
24 21:56 Calm 16.09 Fair CLR 17.2 14.4 84% 76.35 1019.1
24 20:56 Calm 16.09 A Few Clouds FEW075 17.8 15.6 87% 76.3 1018.4
24 19:56 Calm 16.09 Fair CLR 21.1 13.9 26.7 21.1 64% 76.25 1017.6
24 18:56 Calm 16.09 A Few Clouds FEW070 24.4 13.9 52% 26 76.2 1016.9
24 17:56 Vrbl 7 16.09 A Few Clouds FEW065 25.6 12.8 45% 26 76.17 1016.4
24 16:56 W 20 16.09 Mostly Cloudy BKN065 26.1 13.9 47% 27 76.15 1016.3
24 15:56 Vrbl 11 16.09 Mostly Cloudy SCT060 BKN075 26.1 15 50% 27 76.15 1016.0
24 14:56 Vrbl 7 16.09 Mostly Cloudy BKN050 25.6 15 52% 26 76.15 1016.1
24 13:56 Vrbl 7 16.09 A Few Clouds FEW050 26.1 15.6 26.1 17.2 52% 27 76.17 1016.4
24 12:56 W 15 16.09 Mostly Cloudy FEW045 BKN060 BKN075 25.6 15 52% 26 76.2 1016.8
24 11:56 W 11 16.09 Overcast BKN042 OVC049 23.3 15.6 62% 76.2 1016.8
24 10:56 NW 9 16.09 Fair CLR 23.3 15.6 62% 76.2 1017.0
24 09:56 W 9 16.09 Fair CLR 21.7 16.1 71% 76.2 1016.7
24 08:56 W 7 16.09 Fair CLR 19.4 15.6 79% 76.2 1016.7
24 07:56 Calm 16.09 Overcast FEW060 SCT090 OVC110 17.2 15 17.2 13.9 87% 76.2 1016.8
24 06:56 NW 7 16.09 Overcast FEW070 OVC120 16.1 15 93% 76.17 1016.6
24 05:56 Calm 16.09 Mostly Cloudy BKN110 15 15 100% 76.12 1016.0
24 04:56 Calm 16.09 Mostly Cloudy BKN110 15.6 15.6 100% 76.07 1015.3
24 03:56 Calm 16.09 Fair CLR 14.4 14.4 100% 76.07 1015.4
24 02:56 Calm 16.09 Fair CLR 14.4 14.4 100% 76.07 1015.1
24 01:56 Calm 16.09 Fair CLR 15.6 15 22.2 15 96% 76.1 1015.7
24 00:56 Calm 16.09 Fair CLR 16.1 14.4 90% 76.12 1016.0
23 23:56 Calm 16.09 Fair CLR 16.1 16.1 100% 76.1 1015.7
23 22:56 Calm 16.09 Fair CLR 16.7 14.4 86% 76.1 1015.5
23 21:56 Calm 16.09 Fair CLR 18.3 14.4 78% 76.1 1015.4
23 20:56 Calm 16.09 Fair CLR 20 12.2 61% 76.07 1015.0
23 19:56 W 9 16.09 Fair CLR 22.2 12.2 27.8 22.2 53% 76 1014.2
23 18:56 NW 17 16.09 Fair CLR 25 12.8 47% 26 75.97 1013.7
23 17:56 W 15 G 31 16.09 Fair CLR 26.7 12.8 42% 27 75.95 1013.3
23 16:56 W 19 G 33 16.09 Fair CLR 27.2 13.3 42% 27 75.92 1013.0
23 15:56 W 20 G 31 16.09 Fair CLR 27.8 13.3 41% 28 75.9 1012.8
23 14:56 W 15 16.09 Mostly Cloudy BKN060 BKN090 26.1 15.6 52% 27 75.92 1013.0
23 13:56 W 20 16.09 Partly Cloudy SCT047 26.7 16.7 27.2 18.9 54% 27 75.97 1013.6
23 12:56 NW 19 G 31 16.09 Partly Cloudy SCT043 26.1 16.7 56% 27 76 1014.0
23 11:56 NW 20 16.09 Partly Cloudy SCT037 25 17.8 64% 26 76 1014.2
23 10:56 NW 19 16.09 A Few Clouds FEW027 23.9 18.9 74% 25 75.97 1013.9
23 09:56 W 17 16.09 Fair CLR 22.8 19.4 81% 75.97 1013.9
23 08:56 W 9 16.09 Partly Cloudy SCT110 21 0 0% 75.97 1013.8
23 07:56 W 7 16.09 Mostly Cloudy BKN002 18.9 18.9 19.4 18.3 100% 75.92 1013.2
23 06:56 W 7 2.01 Fog/Mist OVC002 18 0 0% 75.84 1012.2
23 05:56 S 6 0.80 Fog BKN002 OVC017 19 0 0% 75.82 1011.9
23 04:56 NW 6 8.05 Partly Cloudy with Haze SCT004 18 0 0% 75.79 1011.4
23 03:56 Calm 16.09 A Few Clouds FEW120 18 0 0% 75.79 1011.5
23 02:56 Calm 16.09 Mostly Cloudy BKN005 BKN015 19 0 0% 75.82 1012.0
23 01:56 Calm 16.09 Overcast FEW012 OVC100 19 0 22.2 19.4 0% 75.84 1012.2 0.41
23 00:56 S 6 16.09 Light Rain FEW022 SCT120 20 0 0% 75.95 1013.7 0.15
22 23:56 SW 6 11.27 Rain OVC006 21 0 0% 75.97 1013.8 0.25
22 22:56 Calm 16.09 Light Rain BKN012 BKN017 OVC046 22 0 0% 75.97 1013.8
22 21:56 Calm 16.09 A Few Clouds FEW016 21.7 21.7 100% 76 1014.3
22 20:56 Vrbl 9 16.09 Fair CLR 21.7 21.7 100% 76 1014.2
22 19:56 Vrbl 6 16.09 Fair CLR 22.2 21.7 26.7 22.2 97% 75.97 1014.0
22 18:56 Vrbl 6 16.09 A Few Clouds FEW036 22.8 21.1 90% 76 1014.2
22 17:56 Vrbl 6 16.09 Overcast BKN022 OVC029 24.4 21.1 82% 25 76.02 1014.6
22 16:56 Vrbl 9 16.09 A Few Clouds FEW039 26.1 20.6 72% 28 76.05 1014.7
22 15:56 Vrbl 9 16.09 Overcast FEW019 OVC037 24.4 20.6 79% 25 76.1 1015.7
22 14:56 Vrbl 9 16.09 Overcast SCT023 BKN028 OVC035 24.4 21.1 82% 25 76.17 1016.4
22 13:56 Vrbl 9 16.09 Overcast OVC021 24.4 20.6 25 19.4 79% 25 76.2 1016.9
22 12:56 Vrbl 9 16.09 Overcast SCT019 BKN035 OVC065 24.4 20 77% 25 76.25 1017.5
22 11:56 Vrbl 9 16.09 Overcast OVC020 22.2 20.6 91% 76.3 1018.1
22 10:56 SE 15 16.09 Overcast OVC016 22.2 20 87% 76.33 1018.4
22 09:56 Vrbl 7 16.09 Mostly Cloudy FEW014 BKN090 22.8 20 84% 76.33 1018.5
22 08:56 Vrbl 6 16.09 Overcast FEW019 SCT043 OVC085 21.1 21.1 100% 76.33 1018.7
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)