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.
22 16:56 Vrbl 5 10.00 Mostly Cloudy BKN011 78.1 75.9 93% 81 30 1016.8 0.29
22 15:56 Vrbl 6 10.00 Mostly Cloudy BKN007 BKN100 75.9 75.9 100% 75 30.01 1017.0 0.01
22 14:56 Vrbl 5 1.75 Heavy Rain Fog/Mist FEW022 BKN049 OVC055 72 72 100% 30.04 1018.2 0.28
22 13:56 Vrbl 6 4.00 Heavy Rain Fog/Mist FEW015 BKN031 OVC041 73.9 73.9 82 73.9 100% 30.03 1017.9 0.08 0.12
22 12:56 Calm 10.00 Light Rain FEW016 BKN055 OVC070 77 77 100% 78 30.04 1018.2 0.04
22 11:56 Calm 8.00 Light Rain BKN017 OVC024 77 75.9 96% 78 30.06 1018.7
22 10:56 Calm 10.00 Overcast SCT015 BKN035 OVC110 80.1 73.9 82% 85 30.08 1019.2
22 09:56 SE 6 10.00 Overcast OVC011 78.1 75 90% 81 30.07 1019.1
22 08:56 SE 7 2.50 Light Rain Fog/Mist BKN015 BKN039 BKN049 77 75 94% 78 30.07 1019.0
22 07:56 SE 3 10.00 Partly Cloudy SCT037 SCT046 75 75 77 73 100% 72 30.07 1019.0
22 06:56 SE 3 10.00 Fair CLR 73.9 73.9 100% 30.07 1019.1
22 05:56 SE 3 10.00 Partly Cloudy SCT110 73.9 73.9 100% 30.07 1019.0
22 04:56 Calm 10.00 Fair CLR 73.9 73.9 100% 30.06 1018.7
22 03:56 SE 3 10.00 Fair CLR 75 75 100% 72 30.06 1018.8
22 02:56 S 6 10.00 Fair CLR 75.9 75 97% 75 30.07 1019.1
22 01:56 S 6 10.00 Fair CLR 77 73.9 82 75.9 90% 78 30.08 1019.3
22 00:56 SE 6 10.00 Fair CLR 77 72 85% 78 30.08 1019.4
21 23:56 SE 3 10.00 Fair CLR 78.1 71.1 79% 80 30.08 1019.4
21 22:56 SE 6 10.00 Fair CLR 78.1 71.1 79% 80 30.08 1019.5
21 21:56 SE 7 10.00 Fair CLR 79 71.1 77% 82 30.07 1019.1
21 20:56 Calm 10.00 Fair CLR 79 70 74% 82 30.04 1018.1
21 19:56 SE 6 10.00 Fair CLR 82 69.1 90 82 65% 85 30.03 1017.7
21 18:56 Calm 10.00 Fair CLR 84.9 64 50% 86 30.02 1017.5
21 17:56 Calm 10.00 Fair CLR 88 66 48% 90 30.02 1017.3
21 16:56 Vrbl 3 10.00 Mostly Cloudy BKN070 BKN080 86 66 51% 88 30.03 1017.8
21 15:56 Vrbl 3 10.00 Overcast BKN060 OVC080 87.1 66.9 51% 90 30.04 1018.0
21 14:56 Vrbl 3 10.00 Mostly Cloudy BKN055 BKN070 86 66 51% 88 30.05 1018.4
21 13:56 Vrbl 3 10.00 Overcast BKN050 OVC070 84 68 91 72 59% 87 30.06 1018.9
21 12:56 Calm 10.00 Mostly Cloudy SCT047 BKN055 BKN065 86 66.9 53% 89 30.07 1018.9
21 11:56 Calm 10.00 Mostly Cloudy SCT039 BKN060 86 68 55% 89 30.07 1019.1
21 10:56 Calm 9.00 Fair CLR 82.9 69.1 63% 87 30.08 1019.3
21 09:56 W 5 10.00 Fair CLR 80.1 71.1 74% 84 30.08 1019.4
21 08:56 SW 3 10.00 Fair CLR 78.1 71.1 79% 80 30.08 1019.6
21 07:56 Calm 10.00 Fair CLR 72 71.1 72 66 97% 30.08 1019.5
21 06:56 Calm 10.00 Mostly Cloudy SCT021 BKN085 68 68 100% 30.07 1019.4
21 05:56 Calm 5.00 Fog/Mist BKN100 66.9 66.9 100% 30.06 1019.0
21 04:56 Calm 9.00 Overcast BKN029 OVC090 66.9 66.9 100% 30.05 1018.7
21 03:56 Calm 8.00 Partly Cloudy SCT033 66.9 66.9 100% 30.04 1018.2
21 02:56 Calm 9.00 Partly Cloudy SCT033 66.9 66.9 100% 30.05 1018.6
21 01:56 SE 3 9.00 Fair CLR 68 68 75.9 68 100% 30.05 1018.6
21 00:56 Calm 10.00 Fair CLR 69.1 69.1 100% 30.06 1018.6
20 23:56 Calm 10.00 Fair CLR 70 70 100% 30.07 1018.9
20 22:56 Calm 10.00 Fair CLR 71.1 71.1 100% 30.07 1019.1
20 21:56 Calm 10.00 Fair CLR 72 72 100% 30.08 1019.6
20 20:56 SW 3 10.00 Fair CLR 73.9 71.1 91% 30.08 1019.5
20 19:56 SE 5 10.00 Overcast OVC021 75 70 84 75 84% 75 30.08 1019.4
20 18:56 SE 3 10.00 Mostly Cloudy BKN019 75.9 68 77% 77 30.07 1019.2
20 17:56 SE 7 10.00 A Few Clouds FEW110 75 66.9 76% 76 30.07 1019.2
20 16:56 SW 3 10.00 Light Rain BKN018 BKN023 OVC029 75.9 71.1 85% 76 30.09 1019.9
20 15:56 S 8 10.00 Light Rain SCT034 BKN041 BKN049 77 69.1 77% 79 30.08 1019.5
20 14:56 S 7 10.00 Light Rain FEW050 BKN065 OVC095 80.1 66.9 64% 82 30.1 1020.3
20 13:56 SE 10 G 16 10.00 Mostly Cloudy SCT042 BKN060 82.9 66.9 88 73 59% 86 30.1 1020.0
20 12:56 S 9 10.00 Mostly Cloudy BKN042 87.1 66 50% 89 30.11 1020.4
20 11:56 Vrbl 6 10.00 Partly Cloudy SCT033 84.9 68 57% 88 30.12 1020.7
20 10:56 SE 8 10.00 Mostly Cloudy SCT023 BKN100 82 70 67% 86 30.13 1021.0
20 09:56 S 9 10.00 Partly Cloudy SCT021 80.1 70 71% 83 30.13 1021.3
20 08:56 Calm 10.00 A Few Clouds FEW015 78.1 71.1 79% 80 30.14 1021.5
20 07:56 SE 6 10.00 Fair CLR 73 72 73.9 70 96% 30.14 1021.4
20 06:56 SE 3 10.00 Partly Cloudy FEW100 SCT120 72 71.1 97% 30.14 1021.3
20 05:56 SE 3 10.00 Overcast OVC120 72 70 94% 30.13 1021.0
20 04:56 Calm 7.00 Overcast OVC100 73 69.1 87% 30.14 1021.3
20 03:56 S 5 10.00 Overcast FEW070 OVC100 73.9 69.1 85% 30.13 1021.2
20 02:56 SE 5 10.00 Overcast OVC100 72 68 87% 30.13 1021.2
20 01:56 SE 5 10.00 Fair CLR 72 66.9 80.1 71.1 84% 30.14 1021.3
20 00:56 SE 5 10.00 Mostly Cloudy BKN095 73 66 79% 30.14 1021.6
19 23:56 SE 6 10.00 Fair CLR 73 64.9 76% 30.16 0.0
19 22:56 SE 6 10.00 Fair CLR 73 64.9 76% 30.15 0.0
19 21:56 Calm 10.00 Fair CLR 73 64.9 76% 30.15 0.0
19 20:56 Calm 10.00 Fair CLR 75 64 69% 77 30.13 0.0
19 19:56 SE 6 10.00 Fair CLR 80.1 62.1 86 80.1 54% 81 30.11 0.0
19 18:56 SE 7 10.00 Fair CLR 82.9 62.1 49% 84 30.1 0.0
19 17:56 Vrbl 3 10.00 Mostly Cloudy BKN065 82.9 62.1 49% 84 30.1 0.0
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)