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 17:56 W 11 16.09 Fair CLR 36.1 23.3 48% 42 76.3 1018.0
02 16:56 W 15 16.09 Fair CLR 37.2 23.9 46% 45 76.33 1018.1
02 15:56 W 9 16.09 Fair CLR 36.1 22.8 46% 42 76.35 1018.6
02 14:56 W 13 16.09 Fair CLR 36.7 23.9 48% 44 76.38 1018.9
02 13:56 SW 11 16.09 A Few Clouds FEW055 36.1 23.9 36.1 27.8 49% 43 76.43 1019.4
02 12:56 W 15 16.09 Partly Cloudy SCT042 35 25 56% 43 76.43 1019.6
02 11:56 NW 13 16.09 Fair CLR 33.9 25.6 62% 43 76.48 1020.2
02 10:56 Vrbl 9 16.09 Fair CLR 32.8 26.1 68% 42 76.48 1020.3
02 09:56 Calm 16.09 Fair CLR 32.2 25 66% 39 76.45 1020.0
02 08:56 NW 7 16.09 Fair CLR 30 25.6 77% 37 76.48 1020.2
02 07:56 Calm 16.09 Mostly Cloudy BKN060 27.2 27.2 27.2 23.3 100% 33 76.45 1019.8
02 06:56 Calm 16.09 Fair CLR 24 0 0% 76.4 1019.5
02 05:56 Calm 11.27 Fair CLR 24 0 0% 76.38 1019.2
02 04:56 Calm 16.09 Fair CLR 24 0 0% 76.33 1018.4
02 03:56 Calm 11.27 Fair CLR 24 0 0% 76.3 1018.1
02 01:56 Calm 16.09 Fair CLR 26.1 26.1 32.2 26.1 100% 29 76.3 1017.9
02 00:56 Calm 16.09 Fair CLR 27.2 26.7 97% 32 76.3 1018.0
01 23:56 Calm 16.09 A Few Clouds FEW070 27.2 26.1 94% 32 76.33 1018.4
01 22:56 Calm 16.09 Mostly Cloudy BKN060 27.8 24.4 82% 32 76.3 1018.1
01 21:56 Calm 16.09 Mostly Cloudy BKN060 27.8 25 85% 32 76.28 1017.7
01 20:56 Calm 16.09 Fair CLR 28.9 24.4 77% 34 76.28 1017.6
01 19:56 Calm 16.09 Fair CLR 32.2 22.8 36.1 32.2 58% 37 76.25 1017.2
01 18:56 NW 11 16.09 Fair CLR 33.9 22.8 52% 39 76.23 1017.0
01 17:56 W 11 16.09 Fair CLR 35 22.2 47% 40 76.23 1017.0
01 16:56 NW 9 16.09 A Few Clouds FEW055 34.4 23.3 52% 40 76.25 1017.4
01 15:56 W 11 16.09 Mostly Cloudy BKN055 35 24.4 54% 42 76.28 1017.7
01 14:56 W 11 16.09 Mostly Cloudy SCT050 BKN065 34.4 24.4 56% 42 76.3 1018.0
01 13:56 Vrbl 6 16.09 Partly Cloudy SCT042 34.4 25 34.4 25 58% 42 76.33 1018.2
01 12:56 W 6 16.09 Mostly Cloudy BKN040 32.2 24.4 63% 39 76.35 1018.6
01 11:56 NW 7 16.09 Fair CLR 32.2 24.4 63% 39 76.35 1018.6
01 10:56 NW 9 16.09 Fair CLR 31.1 24.4 68% 37 76.35 1018.8
01 09:56 W 7 16.09 Fair CLR 28.9 22.8 70% 32 76.38 1019.1
01 08:56 SW 7 16.09 Fair CLR 26.7 21.1 71% 28 76.4 1019.3
01 07:56 SW 9 16.09 Fair CLR 25 20 25.6 23.3 74% 26 76.4 1019.3
01 06:56 S 6 16.09 Fair CLR 23.9 18.9 74% 25 76.38 1019.2
01 05:56 Calm 16.09 Fair CLR 23.3 18.9 76% 76.38 1019.0
01 04:56 S 6 16.09 Fair CLR 23.3 18.3 74% 76.38 1019.2
01 03:56 Calm 16.09 Fair CLR 23.9 17.8 69% 25 76.38 1018.9
01 02:56 S 7 16.09 A Few Clouds FEW049 24.4 17.8 67% 25 76.38 1019.0
01 01:56 S 9 16.09 A Few Clouds FEW048 25 17.8 29.4 25 64% 26 76.38 1019.1
01 00:56 S 9 16.09 Fair CLR 25.6 17.8 62% 27 76.43 1019.6
30 23:56 S 9 16.09 A Few Clouds FEW055 26.1 17.2 58% 27 76.43 1019.9
30 22:56 S 11 16.09 Mostly Cloudy BKN060 26.7 17.2 56% 27 76.43 1019.9
30 21:56 SE 9 16.09 Fair CLR 27.2 17.2 54% 28 76.38 1019.2
30 20:56 S 15 16.09 Fair CLR 27.8 17.2 53% 28 76.35 1018.6
30 19:56 S 11 16.09 Fair CLR 29.4 18.3 32.8 29.4 51% 30 76.33 1018.5
30 18:56 S 13 16.09 Fair CLR 31.1 19.4 50% 33 76.33 1018.3
30 17:56 S 17 16.09 Fair CLR 31.7 20.6 52% 34 76.38 1019.1
30 16:56 SW 11 16.09 A Few Clouds FEW048 32.2 21.1 52% 35 76.43 1019.7
30 15:56 Vrbl 11 16.09 Fair CLR 32.2 21.1 52% 35 76.45 1020.0
30 14:56 Vrbl 6 16.09 Fair CLR 31.7 20.6 52% 34 76.5 1020.6
30 13:56 S 19 16.09 Fair CLR 31.7 19.4 31.7 23.9 48% 33 76.53 1021.2
30 12:56 SW 13 16.09 Fair CLR 31.1 20 52% 33 76.58 1021.9
30 11:56 SE 9 16.09 Fair CLR 29.4 20 57% 31 76.61 1022.3
30 10:56 S 11 16.09 Fair CLR 28.9 19.4 57% 30 76.63 1022.5
30 09:56 SW 7 16.09 Fair CLR 27.8 21.1 67% 30 76.66 1022.7
30 08:56 S 9 16.09 Fair CLR 25.6 21.1 76% 27 76.66 1023.0
30 07:56 S 7 16.09 Fair CLR 23.9 22.2 23.9 18.9 90% 23 76.66 1022.7
30 06:56 Calm 14.48 Fair CLR 20 0 0% 76.63 1022.6
30 05:56 Calm 9.66 Fair with Haze CLR 19 0 0% 76.61 1022.3
30 04:56 Calm 11.27 Fair CLR 19 0 0% 76.58 1022.0
30 03:56 Calm 16.09 Fair CLR 20 0 0% 76.58 1021.9
30 02:56 SE 7 16.09 Fair CLR 21.1 21.1 100% 76.58 1021.8
30 01:56 SE 7 16.09 Fair CLR 21.1 21.1 26.1 20.6 100% 76.63 1022.3
30 00:56 SE 7 16.09 Fair CLR 21.7 20.6 94% 76.61 1022.2
29 23:56 Calm 16.09 Fair CLR 20.6 20.6 100% 76.61 1022.3
29 22:56 Calm 16.09 Fair CLR 21.7 20.6 94% 76.61 1022.0
29 21:56 SE 7 16.09 Fair CLR 22.8 20 84% 76.56 1021.6
29 20:56 SE 6 16.09 Fair CLR 23.9 18.9 74% 25 76.53 1021.2
29 19:56 Calm 16.09 Mostly Cloudy BKN085 26.1 18.3 31.1 26.1 62% 27 76.53 1021.0
29 18:56 SE 9 16.09 Overcast OVC090 28.3 18.3 55% 29 76.53 1021.0
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)