Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Imperial (Metric)
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
01 13:56 SW 5 10.00 Fair CLR 84 63 84 63 49% 85 30.09 1019.8
01 12:56 W 6 10.00 Fair CLR 81 64 57% 83 30.11 1020.6
01 10:56 S 3 10.00 Fair CLR 73.9 66 76% 30.13 1021.4
01 09:56 SW 3 10.00 Fair CLR 68 66.9 96% 30.13 1021.3
01 08:56 Calm 10.00 Fair CLR 64.4 0 0% 30.12 1021.1
01 07:56 Calm 9.00 Fair CLR 63 63 64 61 100% 30.12 1021.0
01 06:56 Calm 2.50 Fog/Mist CLR 61 61 100% 30.11 1020.6
01 05:56 Calm 1.50 Fog/Mist CLR 60.8 0 0% 30.1 1020.4
01 04:56 Calm 6.00 Fair with Haze CLR 62.6 0 0% 30.1 1020.2
01 03:56 SE 5 10.00 Fair CLR 62.6 0 0% 30.09 1020.2
01 02:56 Calm 7.00 Fair CLR 63 63 100% 30.1 1020.5
01 01:56 SE 3 10.00 Fair CLR 62.6 0 66.9 62.1 0% 30.11 1020.8
01 00:56 Calm 10.00 Fair CLR 62.6 0 0% 30.12 1021.1
30 23:56 Calm 10.00 Fair CLR 62.6 0 0% 30.12 1021.2
30 22:56 Calm 10.00 Fair CLR 62.6 0 0% 30.13 1021.1
30 21:56 SE 3 10.00 Fair CLR 64 64 100% 30.12 1021.1
30 20:56 SE 3 10.00 Fair CLR 64.9 64.9 100% 30.11 1020.9
30 19:56 Calm 10.00 Fair CLR 66 66 80.1 66 100% 30.1 1020.6
30 18:56 Calm 10.00 Fair CLR 69.1 66 90% 30.1 1020.6
30 17:56 S 3 10.00 Fair CLR 77 62.1 60% 79 30.09 1020.1
30 16:56 S 3 10.00 Partly Cloudy SCT045 78.1 62.1 58% 80 30.09 1020.0
30 15:56 Vrbl 5 10.00 Partly Cloudy SCT047 79 61 54% 80 30.1 1020.1
30 14:56 S 6 10.00 Mostly Cloudy BKN047 78.1 59 52% 79 30.1 1020.2
30 13:56 Vrbl 5 10.00 Mostly Cloudy BKN047 78.1 60.1 79 57 54% 79 30.12 1020.9
30 12:56 SW 6 10.00 Mostly Cloudy BKN044 75.9 60.1 58% 78 30.14 1021.6
30 11:56 SW 7 10.00 Fair CLR 75.9 60.1 58% 78 30.15 1022.0
30 10:56 S 8 10.00 Fair CLR 75 60.1 60% 77 30.17 1022.5
30 09:56 Vrbl 3 10.00 Mostly Cloudy BKN055 69.1 62.1 78% 30.17 1022.9
30 08:56 W 3 10.00 Fair CLR 62.6 0 0% 30.17 1022.9
30 07:56 Calm 10.00 Fair CLR 57 57 57.9 55.9 100% 30.15 1022.4
30 06:56 Calm 5.00 Fog/Mist CLR 55.9 55.9 100% 30.13 1021.7
30 05:56 Calm 4.00 Fog/Mist CLR 57 57 100% 30.12 1021.1
30 04:56 Calm 6.00 Fog/Mist BKN050 55.9 55.9 100% 30.12 1021.1
30 03:56 Calm 6.00 Fog/Mist SCT048 57 57 100% 30.11 1020.7
30 02:56 Calm 1.50 Fog/Mist CLR 57.9 57.9 100% 30.12 1020.9
30 01:56 Calm 1.75 Fog/Mist CLR 57.9 57.9 66 57.9 100% 30.11 1020.6
30 00:56 Calm 10.00 Fair CLR 60.1 60.1 100% 30.11 1020.7
29 23:56 Calm 10.00 Fair CLR 60.8 0 0% 30.11 1020.8
29 22:56 Calm 10.00 Partly Cloudy SCT055 62.6 0 0% 30.11 1020.7
29 21:56 Calm 10.00 Overcast OVC055 64 64 100% 30.11 1020.6
29 20:56 Calm 10.00 Overcast FEW036 OVC060 64 64 100% 30.09 1020.1
29 19:56 Calm 10.00 Overcast OVC060 66 64.9 73.9 66 96% 30.08 1019.8
29 18:56 Calm 10.00 Overcast OVC060 66.9 64 91% 30.07 1019.4
29 17:56 W 6 10.00 A Few Clouds FEW060 70 62.1 76% 30.06 1018.9
29 16:56 Vrbl 3 10.00 Partly Cloudy SCT060 72 61 68% 30.04 1018.3
29 15:56 NW 6 10.00 Overcast SCT034 OVC060 72 61 68% 30.05 1018.7
29 14:56 Calm 10.00 Overcast FEW026 BKN037 OVC060 72 60.1 66% 30.06 1019.0
29 13:56 Calm 10.00 Overcast FEW022 BKN034 OVC060 71.1 62.1 71.1 60.1 73% 30.07 1019.4
29 11:56 Vrbl 5 10.00 Overcast FEW021 SCT031 OVC060 69.1 61 76% 30.1 1020.2
29 10:56 NW 5 10.00 Overcast BKN017 OVC045 68 63 84% 30.1 1020.2
29 09:56 NW 7 10.00 Overcast SCT041 OVC050 66.9 62.1 84% 30.09 1019.9
29 08:56 NW 6 10.00 Overcast OVC050 64 62.1 93% 30.07 1019.6
29 07:56 Calm 10.00 Overcast OVC049 60.8 0 61 57 0% 30.06 1019.1
29 06:56 Calm 10.00 Overcast OVC055 59 0 0% 30.04 1018.7
29 05:56 Calm 10.00 Overcast OVC060 57.9 57.9 100% 30.02 1018.0
29 04:56 Calm 10.00 Mostly Cloudy FEW034 BKN065 57 57 100% 30.02 1017.8
29 03:56 Calm 10.00 Mostly Cloudy BKN060 59 59 100% 30.01 1017.5
29 02:56 Calm 10.00 Overcast OVC070 60.1 60.1 100% 30.01 1017.5
29 01:56 Calm 10.00 Overcast OVC070 61 61 64.9 61 100% 30.01 1017.6
29 00:56 Calm 10.00 Overcast BKN032 OVC070 62.1 62.1 100% 30.02 1017.7
28 23:56 W 3 10.00 Overcast OVC034 63 61 93% 30.02 1017.7
28 22:56 W 3 10.00 Overcast OVC038 63 61 93% 30.01 1017.5
28 21:56 W 3 10.00 Overcast OVC032 63 62.1 97% 30 1017.2
28 20:56 Calm 10.00 Overcast OVC032 64 61 90% 29.99 1016.8
28 19:56 NW 5 10.00 Overcast OVC028 64 60.1 69.1 64 87% 29.97 1016.2
28 18:56 W 5 10.00 Overcast OVC030 64.9 60.1 84% 29.96 1015.7
28 17:56 NW 6 10.00 Overcast OVC032 66 60.1 81% 29.94 1015.1
28 16:56 NW 7 10.00 Overcast OVC032 66.9 59 76% 29.93 1014.5
28 15:56 Vrbl 6 10.00 Overcast OVC030 68 59 73% 29.92 1014.3
28 14:56 Vrbl 3 10.00 Overcast SCT023 OVC031 66.9 61 81% 29.92 1014.3
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)