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.
04 16:56 Vrbl 3 7.00 Fair CLR 86 68 55% 89 30.1 1020.0
04 15:56 Vrbl 3 10.00 Fair CLR 86 66.9 53% 89 30.1 1019.9
04 14:56 Vrbl 3 10.00 Fair CLR 86 66.9 53% 89 30.1 1020.1
04 13:56 Vrbl 3 10.00 Fair CLR 84.9 66.9 84.9 69.1 55% 88 30.12 1020.8
04 12:56 Vrbl 3 10.00 Fair CLR 82.9 64.9 55% 85 30.13 1021.2
04 11:56 Vrbl 3 10.00 Fair CLR 82 64.9 56% 84 30.14 1021.3
04 10:56 Calm 10.00 Fair CLR 80.1 66 62% 82 30.12 1020.9
04 09:56 Vrbl 3 10.00 Fair CLR 75 64 69% 77 30.12 1020.8
04 08:56 Vrbl 3 10.00 Fair CLR 73 63 71% 30.11 1020.5
04 07:56 Vrbl 3 10.00 Fair CLR 69.1 64.9 72 66.9 87% 30.1 1020.2
04 06:56 Calm 10.00 Fair CLR 69.1 64 84% 30.09 1019.8
04 05:56 NE 3 10.00 Fair CLR 68 64.9 90% 30.07 1019.2
04 04:56 Calm 10.00 Fair CLR 69.1 64 84% 30.07 1018.9
04 03:56 Calm 10.00 Fair CLR 70 64 82% 30.06 1018.6
04 02:56 Calm 10.00 Fair CLR 71.1 64 79% 30.04 1018.1
04 01:56 Vrbl 5 10.00 Fair CLR 71.1 64 79 69.1 79% 30.03 1017.8
04 00:56 Calm 10.00 Fair CLR 70 66 87% 30.02 1017.4
03 23:56 Calm 10.00 Fair CLR 70 66 87% 30 1016.8
03 22:56 Calm 10.00 Fair CLR 72 64 76% 30 1016.6
03 21:56 Calm 10.00 Fair CLR 72 64.9 79% 29.98 1016.0
03 20:56 Calm 10.00 Fair CLR 73.9 68 82% 29.95 1015.1
03 19:56 Calm 10.00 Fair CLR 79 66.9 88 79 67% 81 29.93 1014.2
03 18:56 Vrbl 3 10.00 Fair CLR 84 66 55% 86 29.91 1013.6
03 17:56 NW 3 10.00 Fair CLR 86 64.9 49% 88 29.89 1012.9
03 16:56 Vrbl 6 10.00 Partly Cloudy SCT048 87.1 66.9 51% 90 29.87 1012.3
03 15:56 NW 8 10.00 Fair CLR 87.1 70 57% 92 29.86 1011.8
03 14:56 NW 9 10.00 A Few Clouds FEW044 86 69.1 57% 90 29.86 1011.9
03 13:56 NW 14 G 21 10.00 Partly Cloudy FEW036 SCT090 84 70 84.9 75 63% 88 29.85 1011.5
03 12:56 NW 9 10.00 Overcast BKN036 OVC047 82.9 70 65% 87 29.85 1011.6
03 11:56 W 10 10.00 Mostly Cloudy BKN029 BKN039 BKN055 82.9 72 70% 88 29.85 1011.4
03 10:56 W 12 10.00 Partly Cloudy SCT027 82 73 74% 87 29.83 1011.0
03 09:56 W 9 10.00 Mostly Cloudy FEW017 BKN080 80.1 75.9 87% 85 29.82 1010.7
03 08:56 Vrbl 7 10.00 Overcast OVC006 77 0 0% 29.82 1010.5
03 07:56 S 5 10.00 Overcast OVC006 75.2 0 75 73.9 0% 29.81 1010.3
03 06:56 Calm 9.00 Overcast OVC006 75.2 0 0% 29.8 1010.0
03 05:56 SW 5 10.00 Overcast OVC006 73.4 0 0% 29.78 1009.3
03 04:56 Vrbl 6 10.00 Overcast OVC006 73.4 0 0% 29.77 1008.9
03 03:56 Vrbl 5 10.00 Overcast OVC006 73.4 0 0% 29.77 1009.1
03 02:56 S 5 10.00 Overcast BKN006 OVC065 73.4 0 0% 29.77 1008.7
03 01:56 W 3 10.00 Mostly Cloudy BKN006 73.4 0 75 73.9 0% 29.76 1008.5 0.05 0.05
03 00:56 S 5 10.00 Overcast OVC006 75.2 0 0% 29.79 1009.5
02 23:56 S 7 10.00 Overcast OVC006 73.4 0 0% 29.78 1009.3
02 22:56 S 7 10.00 Overcast OVC006 73.4 0 0% 29.78 1009.1
02 21:56 S 7 10.00 Overcast OVC008 73.4 0 0% 29.79 1009.5
02 20:56 S 8 10.00 Mostly Cloudy BKN012 BKN120 73.4 0 0% 29.79 1009.6
02 19:56 SE 9 10.00 Overcast BKN008 OVC029 75.2 0 79 73.9 0% 29.8 1009.8 0.44
02 18:56 SE 9 10.00 Overcast OVC006 75.2 0 0% 29.79 1009.6
02 17:56 SE 10 10.00 Overcast SCT008 BKN013 OVC060 75.2 0 0% 29.79 1009.7 0.17
02 16:56 SE 9 2.00 Heavy Rain FEW005 BKN030 OVC038 75.2 0 0% 29.81 1010.3 0.27 0.27
02 15:56 Vrbl 7 10.00 Overcast FEW012 OVC075 78.1 78.1 100% 81 29.81 1010.4
02 14:56 SE 9 10.00 Mostly Cloudy FEW060 BKN100 BKN120 78.1 78.1 100% 81 29.84 1011.1
02 13:56 SE 12 8.00 Rain SCT013 BKN075 OVC090 75.2 0 80.1 75 0% 29.85 1011.6 0.06 0.12
02 12:56 S 10 10.00 Light Rain SCT018 BKN024 OVC045 77 77 100% 78 29.87 1012.1 0.06
02 11:56 SE 10 10.00 Light Rain BKN022 OVC029 79 77 94% 83 29.88 1012.5
02 10:56 SE 8 10.00 Light Rain SCT019 BKN025 OVC032 77 77 100% 78 29.89 1013.0
02 09:56 SE 10 10.00 Light Rain OVC017 77 75.9 96% 78 29.9 1013.1
02 08:56 S 9 10.00 Overcast OVC015 77 75 94% 78 29.91 1013.4
02 07:56 SE 9 10.00 Overcast BKN019 OVC110 75 73 77 75 94% 73 29.9 1013.2
02 06:56 SE 10 10.00 Overcast SCT019 OVC100 75 71.1 88% 75 29.9 1013.5
02 04:56 SE 9 10.00 Overcast FEW022 SCT070 OVC110 75 70 84% 75 29.9 1013.4
02 03:56 SE 7 10.00 Overcast OVC100 75 68 79% 76 29.9 1013.4
02 02:56 SE 8 10.00 Light Rain SCT120 75.9 68 77% 77 29.91 1013.6
02 01:56 S 10 10.00 Fair CLR 77 68 82 77 74% 79 29.92 1013.9
02 00:56 S 12 10.00 Fair CLR 78.1 69.1 74% 80 29.93 1014.3
01 23:56 S 13 G 18 10.00 A Few Clouds FEW095 78.1 70 76% 80 29.93 1014.4
01 22:56 SE 10 10.00 A Few Clouds FEW046 77 70 79% 79 29.92 1014.0
01 21:56 SE 7 10.00 Overcast OVC080 78.1 71.1 79% 80 29.92 1013.8
01 20:56 SE 10 10.00 Mostly Cloudy BKN070 80.1 69.1 69% 83 29.9 1013.2
01 19:56 S 9 G 16 10.00 Overcast FEW039 OVC075 82 68 89.1 82 63% 85 29.89 1013.1
01 18:56 Vrbl 6 10.00 Overcast OVC070 84 66.9 57% 87 29.89 1013.1
01 17:56 S 8 10.00 Mostly Cloudy BKN050 86 66 51% 88 29.9 1013.2
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)