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.
17 23:56 SE 7 16.09 Fair CLR 21.1 18.9 87% 76.61 1022.1
17 22:56 Calm 16.09 Fair CLR 21.7 18.9 84% 76.58 1022.1
17 21:56 SE 7 16.09 Fair CLR 22.2 18.9 82% 76.56 1021.7
17 20:56 SE 6 16.09 Fair CLR 23.3 18.3 74% 76.53 1021.2
17 19:56 S 6 16.09 Fair CLR 27.2 17.2 30 26.1 54% 28 76.48 1020.7
17 18:56 Calm 16.09 Fair CLR 27.2 17.2 54% 28 76.48 1020.7
17 17:56 W 9 16.09 Fair CLR 30 16.7 45% 30 76.48 1020.6
17 16:56 W 13 G 26 16.09 Fair CLR 29.4 16.7 46% 30 76.48 1020.6
17 15:56 W 13 16.09 Fair CLR 29.4 16.7 46% 30 76.5 1020.8
17 14:56 NW 19 16.09 A Few Clouds FEW120 27.8 16.1 49% 28 76.53 1021.4
17 13:56 NW 11 16.09 Mostly Cloudy BKN080 26.1 17.8 26.7 18.9 60% 27 76.58 1022.2
17 12:56 W 11 16.09 Overcast BKN090 OVC100 24.4 17.8 67% 25 76.63 1022.8
17 11:56 W 11 16.09 Overcast SCT055 OVC100 23.9 17.8 69% 25 76.66 1023.0
17 10:56 Vrbl 6 16.09 Mostly Cloudy BKN120 24.4 16.7 62% 25 76.61 1022.3
17 09:56 NW 6 16.09 Fair CLR 23.3 17.8 71% 76.61 1022.1
17 08:56 NW 6 16.09 Fair CLR 22.2 17.8 76% 76.58 1021.9
17 07:56 Calm 16.09 Fair CLR 18.9 18.9 18.9 14.4 100% 76.53 1021.2
17 06:56 Calm 16.09 Fair CLR 15 0 0% 76.43 1020.0
17 05:56 Calm 16.09 Fair CLR 15 0 0% 76.35 1019.1
17 04:56 Calm 16.09 Fair CLR 15 0 0% 76.35 1019.0
17 03:56 Calm 16.09 Fair CLR 16 0 0% 76.3 1018.4
17 02:56 Calm 16.09 Fair CLR 16.1 16.1 100% 76.3 1018.4
17 01:56 Calm 9.66 Fog/Mist CLR 17.2 17.2 23.3 17.2 100% 76.28 1018.1
17 00:56 Calm 16.09 Partly Cloudy SCT060 18.3 16.7 90% 76.28 1017.9
16 23:56 Calm 16.09 Mostly Cloudy BKN060 18.9 16.7 87% 76.28 1017.9
16 22:56 Calm 16.09 Fair CLR 19.4 15.6 79% 76.23 1017.4
16 21:56 W 7 16.09 Fair CLR 21.7 15 66% 76.23 1017.2
16 20:56 W 6 16.09 Overcast OVC100 22.8 15 62% 76.2 1016.9
16 19:56 W 13 16.09 Overcast BKN075 OVC090 23.3 13.9 29.4 23.3 56% 76.2 1016.9
16 18:56 W 17 16.09 Mostly Cloudy BKN100 25 13.9 50% 26 76.2 1017.0
16 17:56 W 13 16.09 Overcast OVC075 26.7 11.7 39% 27 76.25 1017.6
16 16:56 S 15 16.09 Partly Cloudy SCT085 28.3 11.1 34% 28 76.23 1017.1
16 15:56 S 13 16.09 Mostly Cloudy FEW070 BKN090 28.3 10 32% 27 76.25 1017.6
16 14:56 SW 13 16.09 A Few Clouds FEW080 28.3 9.4 31% 27 76.3 1018.1
16 13:56 SW 15 16.09 Fair CLR 27.2 7.2 27.2 16.1 28% 26 76.35 1019.1
16 12:56 Vrbl 11 16.09 Fair CLR 26.1 9.4 35% 26 76.4 1019.7
16 11:56 SW 11 16.09 Fair CLR 25 9.4 37% 26 76.45 1020.3
16 10:56 S 9 16.09 Fair CLR 22.2 10.6 48% 76.5 1021.2
16 09:56 S 9 16.09 Fair CLR 20.6 10 51% 76.53 1021.6
16 08:56 S 9 16.09 Fair CLR 18.3 9.4 56% 76.56 1021.7
16 07:56 S 6 16.09 Fair CLR 16.1 10 16.1 8.3 67% 76.56 1021.9
16 06:56 Calm 16.09 Fair CLR 9 0 0% 76.53 1021.6
16 05:56 Calm 16.09 Fair CLR 8 0 0% 76.5 1021.2
16 04:56 Calm 16.09 Fair CLR 9.4 9.4 100% 76.45 1020.7
16 03:56 Calm 16.09 Fair CLR 10 10 100% 76.45 1020.5
16 02:56 Calm 16.09 Fair CLR 9.4 9.4 100% 76.45 1020.5
16 01:56 Calm 16.09 Fair CLR 10.6 10.6 18.9 10 100% 76.45 1020.7
16 00:56 Calm 16.09 Fair CLR 11.1 10 93% 76.45 1020.5
15 23:56 Calm 16.09 Fair CLR 11.7 10.6 93% 76.43 1020.3
15 22:56 Calm 16.09 Fair CLR 12.8 8.9 77% 76.43 1020.2
15 21:56 Calm 16.09 Fair CLR 13.3 10 81% 76.4 1019.9
15 20:56 Calm 16.09 Fair CLR 15.6 7.8 60% 76.33 1018.9
15 19:56 Calm 16.09 Fair CLR 18.3 7.2 21.7 18.3 49% 76.28 1018.3
15 18:56 Calm 16.09 Fair CLR 20 7.2 44% 76.25 1017.7
15 17:56 NW 7 16.09 Fair CLR 21.1 7.2 41% 76.23 1017.4
15 16:56 W 17 16.09 A Few Clouds FEW060 21.1 7.2 41% 76.2 1017.2
15 15:56 W 9 G 26 16.09 Fair CLR 20.6 6.7 41% 76.2 1017.0
15 14:56 W 13 16.09 Partly Cloudy SCT055 20 6.7 42% 76.25 1017.8
15 13:56 NW 24 G 35 16.09 A Few Clouds FEW050 18.9 6.7 18.9 12.2 45% 76.25 1017.8
15 12:56 NW 17 G 31 16.09 Mostly Cloudy BKN046 18.3 6.7 47% 76.25 1017.9
15 11:56 NW 15 16.09 Partly Cloudy SCT046 17.2 6.1 48% 76.23 1017.4
15 10:56 NW 19 16.09 Partly Cloudy SCT044 16.1 5.6 50% 76.23 1017.5
15 09:56 Vrbl 11 16.09 Fair CLR 15 5.6 54% 76.2 1017.3
15 08:56 NW 19 G 30 16.09 Overcast OVC037 13.9 5.6 58% 76.23 1017.7
15 07:56 NW 19 G 28 16.09 Mostly Cloudy BKN042 BKN080 12.2 5.6 12.2 10 64% 76.17 1017.0
15 06:56 NW 7 16.09 Overcast BKN040 OVC080 10.6 5.6 71% 76.12 1016.2
15 05:56 NW 9 16.09 Overcast OVC085 10.6 5.6 71% 76.02 1014.9
15 04:56 Vrbl 9 16.09 Overcast OVC065 10.6 5.6 71% 75.97 1014.3
15 03:56 NW 13 16.09 Overcast FEW030 OVC037 10.6 6.1 74% 75.97 1014.2
15 02:56 NW 13 16.09 Overcast OVC034 10.6 6.1 74% 75.97 1014.1
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)