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.
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
22 07:56 Calm 16.09 Overcast FEW010 BKN042 OVC049 19.4 19.4 20 18.3 100% 76.35 1019.0
22 06:56 SE 7 16.09 Overcast OVC046 19.4 19.4 100% 76.3 1018.5
22 05:56 Calm 16.09 Overcast BKN046 OVC080 18.9 18.9 100% 76.28 1018.0
22 04:56 Calm 16.09 Overcast OVC048 19.4 18.9 97% 76.28 1017.7
22 03:56 Calm 16.09 Overcast SCT036 BKN060 OVC075 18.9 18.9 100% 76.3 1018.2
22 02:56 Calm 16.09 Fair CLR 18.9 18.3 96% 76.28 1018.1
22 01:56 Calm 16.09 Partly Cloudy SCT060 18.9 18.3 21.7 18.3 96% 76.33 1018.5
22 00:56 Calm 16.09 Fair CLR 18.3 18.3 100% 76.35 1019.0
21 23:56 Calm 16.09 Mostly Cloudy BKN065 18.9 18.9 100% 76.38 1019.4
21 22:56 Calm 16.09 Fair CLR 18.3 18.3 100% 76.43 1019.9
21 21:56 Calm 16.09 Fair CLR 18.9 18.9 100% 76.4 1019.7
21 20:56 Calm 16.09 Fair CLR 21.1 16.1 73% 76.43 1019.8
21 19:56 Calm 16.09 Fair CLR 21.7 16.1 26.7 21.7 71% 76.38 1019.5
21 18:56 Calm 16.09 Fair CLR 22.8 15 62% 76.38 1019.3
21 17:56 Calm 16.09 Fair CLR 24.4 16.7 62% 25 76.33 1018.6
21 16:56 Vrbl 7 16.09 Fair CLR 26.1 14.4 49% 27 76.35 1018.9
21 15:56 NW 7 16.09 Fair CLR 26.1 12.2 42% 26 76.4 1019.8
21 14:56 Vrbl 7 12.87 Fair CLR 25.6 13.9 48% 26 76.45 1020.4
21 13:56 Calm 16.09 Fair CLR 26.7 14.4 26.7 16.7 47% 27 76.5 1020.9
21 12:56 Calm 16.09 Fair CLR 25 15 54% 26 76.53 1021.3
21 11:56 Vrbl 7 16.09 Fair CLR 24.4 16.1 60% 26 76.58 1022.0
21 10:56 Calm 16.09 Fair CLR 23.3 14.4 57% 76.61 1022.2
21 09:56 W 9 16.09 Fair CLR 20.6 16.1 76% 76.56 1021.7
21 08:56 Calm 16.09 Fair CLR 18.9 16.1 84% 76.56 1021.6
21 07:56 Vrbl 6 16.09 Fair CLR 16.7 16.7 17.2 15.6 100% 76.56 1021.6
21 06:56 Calm 16.09 Fair CLR 16 0 0% 76.5 1021.1
21 05:56 Calm 16.09 Fair CLR 16 0 0% 76.45 1020.4
21 04:56 Calm 14.48 Fair CLR 16 0 0% 76.43 1019.9
21 03:56 Calm 16.09 Fair CLR 17.2 17.2 100% 76.4 1019.7
21 02:56 Calm 16.09 Fair CLR 17 0 0% 76.38 1019.1
21 01:56 Calm 16.09 Fair CLR 17 0 20 17.2 0% 76.38 1019.1
21 00:56 Calm 16.09 Fair CLR 17.8 17.8 100% 76.38 1019.3
20 23:56 Calm 16.09 Fair CLR 18.3 18.3 100% 76.38 1019.4
20 22:56 Calm 16.09 Fair CLR 18.3 18.3 100% 76.35 1019.2
20 21:56 Calm 16.09 Partly Cloudy FEW050 SCT060 18.9 18.9 100% 76.35 1018.8
20 20:56 Calm 16.09 Partly Cloudy SCT050 19.4 19.4 100% 76.28 1018.1
20 19:56 Calm 16.09 Partly Cloudy SCT046 20.6 19.4 31.7 20.6 93% 76.2 1016.9 0.61
20 18:56 Vrbl 7 16.09 Mostly Cloudy FEW090 BKN110 23.3 20 82% 76.15 1016.2
20 17:56 Vrbl 7 16.09 Mostly Cloudy SCT021 BKN028 26.1 23.9 88% 28 76.05 1014.8
20 16:56 W 9 16.09 Thunderstorm in Vicinity FEW100 27.2 25.6 91% 31 76 1014.0 0.61
20 15:56 Vrbl 6 16.09 Thunderstorm Light Rain FEW012 SCT035 BKN043 25 25 100% 25 76 1013.9 0.61
20 14:56 S 17 G 30 16.09 Mostly Cloudy FEW032 BKN075 31.1 23.3 63% 36 75.97 1013.6
20 13:56 SE 19 16.09 Overcast FEW028 BKN080 OVC110 28.9 23.3 29.4 22.2 72% 33 76.07 1015.1
20 12:56 SE 15 16.09 Overcast OVC055 26.7 24.4 87% 30 76.15 1016.0
20 11:56 SE 13 16.09 Mostly Cloudy BKN060 BKN085 BKN120 25.6 23.3 87% 27 76.17 1016.6
20 10:56 Vrbl 7 16.09 Overcast SCT065 BKN100 OVC120 26.1 22.8 82% 28 76.17 1016.5
20 09:56 Vrbl 6 16.09 Overcast OVC110 23.9 21.7 88% 24 76.17 1016.6
20 08:56 Calm 16.09 Overcast OVC110 22.8 22.2 96% 76.17 1016.6
20 07:56 Calm 16.09 Overcast BKN047 BKN100 OVC120 22.2 21.7 22.2 20.6 97% 76.2 1016.7
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)