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.
02 04:56 SE 15 16.09 Overcast FEW022 SCT070 OVC110 23.9 21.1 84% 24 75.95 1013.4
02 03:56 SE 11 16.09 Overcast OVC100 23.9 20 79% 24 75.95 1013.4
02 02:56 SE 13 16.09 Light Rain SCT120 24.4 20 77% 25 75.97 1013.6
02 01:56 S 17 16.09 Fair CLR 25 20 27.8 25 74% 26 76 1013.9
02 00:56 S 19 16.09 Fair CLR 25.6 20.6 74% 27 76.02 1014.3
01 23:56 S 20 G 30 16.09 A Few Clouds FEW095 25.6 21.1 76% 27 76.02 1014.4
01 22:56 SE 17 16.09 A Few Clouds FEW046 25 21.1 79% 26 76 1014.0
01 21:56 SE 11 16.09 Overcast OVC080 25.6 21.7 79% 27 76 1013.8
01 20:56 SE 17 16.09 Mostly Cloudy BKN070 26.7 20.6 69% 28 75.95 1013.2
01 19:56 S 15 G 26 16.09 Overcast FEW039 OVC075 27.8 20 31.7 27.8 63% 29 75.92 1013.1
01 18:56 Vrbl 9 16.09 Overcast OVC070 28.9 19.4 57% 30 75.92 1013.1
01 17:56 S 13 16.09 Mostly Cloudy BKN050 30 18.9 51% 31 75.95 1013.2
01 16:56 S 11 16.09 Mostly Cloudy BKN055 BKN080 29.4 19.4 55% 31 75.97 1013.7
01 15:56 S 9 16.09 A Few Clouds FEW055 30.6 18.3 48% 32 76.02 1014.2
01 14:56 Vrbl 11 G 28 16.09 Fair CLR 31.1 18.3 46% 32 76.05 1014.6
01 13:56 S 17 G 31 16.09 A Few Clouds FEW055 31.1 17.8 31.1 21.7 45% 32 76.07 1014.9
01 11:56 Vrbl 7 16.09 Fair CLR 29.4 18.9 53% 31 76.12 1015.6
01 10:56 Vrbl 9 16.09 Fair CLR 29.4 20.6 59% 32 76.15 1015.8
01 09:56 Vrbl 6 16.09 Fair CLR 26.7 21.1 71% 28 76.12 1015.7
01 08:56 SE 7 16.09 Fair CLR 23.9 21.7 88% 24 76.15 1015.9
01 07:56 SE 7 16.09 Fair CLR 21.7 20.6 21.7 17.8 94% 76.15 1016.0
01 06:56 Calm 16.09 Fair CLR 19 0 0% 76.15 1016.0
01 05:56 Calm 16.09 Fair CLR 18 0 0% 76.12 1015.7
01 04:56 Calm 16.09 Partly Cloudy SCT080 18 0 0% 76.12 1015.8
01 03:56 Calm 16.09 Partly Cloudy SCT080 19 0 0% 76.15 1016.0
01 02:56 Calm 16.09 Fair CLR 19 0 0% 76.15 1016.1
01 01:56 Calm 16.09 Fair CLR 19 0 26.1 19.4 0% 76.17 1016.2
01 00:56 Calm 16.09 Fair CLR 20 0 0% 76.17 1016.3
31 23:56 Calm 16.09 Fair CLR 21.1 21.1 100% 76.15 1016.2
31 22:56 SE 7 16.09 Fair CLR 21.1 21.1 100% 76.15 1016.1
31 21:56 Calm 16.09 Fair CLR 22.2 21.1 94% 76.17 1016.4
31 20:56 Calm 14.48 Fair CLR 23.3 20 82% 76.12 1015.9
31 19:56 Calm 16.09 Fair CLR 26.1 19.4 30.6 26.1 67% 27 76.12 1015.6
31 18:56 Calm 16.09 A Few Clouds FEW049 28.9 18.9 55% 30 76.12 1015.7
31 17:56 W 6 16.09 Fair CLR 29.4 18.3 51% 30 76.15 1015.9
31 15:56 W 11 16.09 Mostly Cloudy BKN080 29.4 18.3 51% 30 76.17 1016.4
31 14:56 Calm 12.87 Fair CLR 30 18.3 49% 31 76.17 1016.5
31 13:56 Calm 16.09 A Few Clouds FEW065 28.9 17.2 30 21.1 49% 29 76.2 1016.7
31 12:56 Calm 16.09 A Few Clouds FEW041 28.3 18.9 57% 30 76.25 1017.2
31 11:56 Calm 16.09 Mostly Cloudy SCT036 BKN060 27.2 18.3 58% 28 76.28 1017.6
31 10:56 Vrbl 6 16.09 A Few Clouds FEW031 26.1 18.3 62% 27 76.28 1017.7
31 09:56 Calm 16.09 Fair CLR 25 19.4 71% 26 76.28 1017.7
31 08:56 Calm 16.09 Fair CLR 23.3 18.9 76% 76.28 1017.8
31 07:56 Calm 16.09 Fair CLR 21.1 19.4 21.7 17.8 90% 76.28 1017.7
31 06:56 Calm 16.09 Mostly Cloudy BKN075 18 0 0% 76.25 1017.6
31 05:56 Calm 16.09 Overcast OVC075 18 0 0% 76.23 1017.4
31 04:56 Calm 16.09 A Few Clouds FEW080 18 0 0% 76.2 1017.0
31 03:56 Calm 16.09 Fair CLR 18.9 18.9 100% 76.2 1016.8
31 02:56 Calm 16.09 Mostly Cloudy BKN080 20 18.9 93% 76.17 1016.4
31 01:56 Calm 16.09 Overcast OVC080 21.7 17.8 24.4 21.7 79% 76.17 1016.4
31 00:56 Calm 16.09 Overcast OVC080 22.2 17.8 76% 76.17 1016.2
30 23:56 Calm 16.09 Overcast OVC080 22.2 18.3 79% 76.15 1016.1
30 22:56 Calm 16.09 Overcast OVC080 22.8 17.2 71% 76.15 1016.0
30 21:56 Calm 16.09 Overcast OVC075 23.3 17.8 71% 76.1 1015.6
30 20:56 Calm 16.09 Overcast OVC070 23.9 17.8 69% 25 76.05 1014.8
30 19:56 Calm 16.09 Overcast OVC075 24.4 17.8 27.8 24.4 67% 25 76.02 1014.6
30 18:56 NW 6 16.09 Overcast OVC070 25 17.8 64% 26 76 1014.3
30 17:56 Calm 16.09 Overcast OVC070 25.6 17.8 62% 27 76 1014.1
30 16:56 Calm 16.09 Overcast OVC070 25.6 17.8 62% 27 75.95 1013.4
30 15:56 Calm 16.09 Overcast OVC070 26.1 17.8 60% 27 75.92 1013.2
30 14:56 Vrbl 6 16.09 Overcast SCT047 OVC065 26.1 18.3 62% 27 75.92 1013.1
30 13:56 NW 13 G 28 16.09 Mostly Cloudy BKN049 26.7 17.8 27.2 20.6 58% 28 75.9 1012.9
30 12:56 NW 20 G 28 16.09 A Few Clouds FEW047 27.2 17.2 54% 28 75.9 1012.5
30 11:56 NW 26 G 33 16.09 Mostly Cloudy BKN045 25 16.1 58% 26 75.87 1012.5
30 10:56 NW 22 G 30 16.09 Fair CLR 24.4 16.1 60% 26 75.87 1012.2
30 09:56 NW 20 G 33 16.09 Fair CLR 22.8 15 62% 75.9 1012.6
30 07:56 W 13 16.09 Fair CLR 20.6 15.6 20.6 18.9 73% 75.84 1012.1
30 06:56 W 13 16.09 Fair CLR 19.4 15 76% 75.82 1011.8
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)