National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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.
28 14:56 Vrbl 3 10.00 Overcast SCT023 OVC031 66.9 61 81% 29.92 1014.3
28 13:56 W 8 10.00 Overcast OVC021 64 60.1 64.9 59 87% 29.93 1014.9
28 12:56 NW 8 10.00 Overcast OVC022 64.9 59 81% 29.93 1014.8
28 11:56 W 8 10.00 Overcast OVC015 63 62.1 97% 29.94 1015.0
28 10:56 NW 7 10.00 Overcast BKN013 OVC020 62.1 62.1 100% 29.94 1015.0
28 09:56 NW 6 10.00 Overcast OVC008 62.1 62.1 100% 29.92 1014.5
28 08:56 Vrbl 5 10.00 Overcast BKN008 OVC014 60.8 0 0% 29.92 1014.3
28 07:56 NW 7 10.00 Overcast OVC012 59 0 59 57.9 0% 29.89 1013.5 0.01
28 06:56 NW 5 10.00 Mostly Cloudy BKN016 59 59 100% 29.88 1012.9
28 05:56 NW 3 10.00 Overcast OVC005 57.2 0 0% 29.86 1012.4
28 04:56 Vrbl 3 10.00 Light Rain FEW005 OVC012 59 0 0% 29.85 1012.1 0.01 0.01
28 03:56 NW 7 10.00 Light Rain OVC022 59 0 0% 29.85 1011.9
28 02:56 W 3 10.00 Overcast FEW036 BKN045 OVC075 57.9 57.9 100% 29.84 1011.5
28 01:56 Vrbl 5 10.00 Overcast OVC048 59 59 59 57.9 100% 29.84 1011.6
28 00:56 Vrbl 5 10.00 Mostly Cloudy BKN050 57.2 0 0% 29.83 1011.4
27 23:56 NW 5 10.00 Mostly Cloudy BKN055 BKN065 57.2 0 0% 29.83 1011.4
27 22:56 NW 6 10.00 Overcast BKN060 OVC075 59 0 0% 29.82 1011.2
27 21:56 NW 6 10.00 Mostly Cloudy FEW028 BKN080 59 0 0% 29.82 1011.1
27 20:56 NW 7 10.00 Overcast FEW009 OVC075 59 0 0% 29.81 1010.7
27 19:56 NW 7 10.00 Light Rain FEW009 BKN046 OVC055 59 0 61 59 0% 29.81 1010.5 0.06
27 18:55 Vrbl 7 10.00 Light Rain BKN009 BKN014 OVC070 59 0 0% 29.8 1010.3 0.02
27 17:56 Vrbl 7 10.00 Light Rain FEW015 OVC065 60.1 60.1 100% 29.78 1009.7 0.01
27 16:56 Vrbl 7 10.00 Light Rain OVC021 60.1 60.1 100% 29.76 1009.1 0.03
27 15:56 NW 8 10.00 Overcast BKN016 OVC022 60.1 60.1 100% 29.74 1008.4
27 14:56 NW 8 5.00 Light Rain OVC008 60.8 0 0% 29.73 1008.0 0.03
27 13:56 NW 8 7.00 Light Rain BKN010 OVC023 60.1 60.1 62.1 57.9 100% 29.73 1008.0 0.07
27 12:56 NW 6 10.00 Light Rain OVC027 61 60.1 97% 29.73 1008.1 0.03
27 11:56 NW 9 10.00 Overcast OVC029 61 59 93% 29.72 1007.6 0.01
27 10:56 Vrbl 6 10.00 Light Rain OVC036 61 61 100% 29.72 1007.6 0.02 0.03
27 09:56 Vrbl 7 10.00 Light Rain OVC055 61 59 93% 29.71 1007.4
27 08:56 NW 6 10.00 Light Rain BKN090 OVC110 57.9 57.9 100% 29.71 1007.3 0.01
27 07:56 Vrbl 7 10.00 Light Rain BKN100 OVC120 59 53.1 61 57 81% 29.72 1007.5 0.01
27 06:56 NW 5 10.00 Mostly Cloudy BKN060 BKN090 59 53.1 81% 29.73 1007.8
27 05:56 NW 6 10.00 Overcast BKN041 BKN075 OVC110 57.9 55 90% 29.74 1008.2 0.01
27 04:56 Vrbl 6 10.00 Light Rain FEW050 OVC100 59 53.1 81% 29.75 1008.5
27 03:56 NW 6 10.00 Light Rain SCT044 BKN050 BKN120 60.1 52 75% 29.77 1009.1
27 02:56 NW 6 10.00 Overcast OVC042 61 52 72% 29.79 1010.1
27 01:56 NW 6 10.00 Overcast OVC042 60.1 54 60.1 55.9 80% 29.81 1010.9 0.01
27 00:56 Calm 10.00 Overcast OVC042 57.9 57 97% 29.84 1011.7
26 23:56 Vrbl 3 10.00 Overcast OVC036 57.9 57 97% 29.87 1012.6
26 22:56 NW 3 10.00 Overcast SCT029 OVC034 57.9 57.9 100% 29.88 1012.9 0.01
26 21:56 Calm 10.00 Overcast BKN031 OVC037 57 57 100% 29.89 1013.5
26 20:56 Calm 10.00 Overcast OVC039 55.4 0 0% 29.9 1013.5 0.01
26 19:56 W 3 10.00 Overcast OVC033 55.4 0 63 55.9 0% 29.89 1013.2 0.24
26 18:56 Vrbl 7 7.00 Light Rain OVC033 55.9 55.9 100% 29.89 1013.4 0.02
26 17:56 Vrbl 6 10.00 Overcast OVC035 55.4 0 0% 29.89 1013.4 0.02
26 16:56 Vrbl 5 10.00 Light Rain OVC035 55.9 55.9 100% 29.9 1013.7 0.07 0.2
26 15:56 Vrbl 3 8.00 Light Rain BKN038 OVC055 57 57 100% 29.9 1013.7 0.12
26 14:56 Calm 8.00 Rain OVC038 59 59 100% 29.9 1013.8 0.01
26 13:56 Vrbl 3 10.00 Light Rain BKN046 OVC070 63 53.1 66 57.9 70% 29.9 1013.8
26 12:56 Vrbl 5 10.00 Light Rain OVC048 63 50 63% 29.91 1014.1
26 11:56 Vrbl 7 10.00 Overcast BKN048 OVC060 64 50 60% 29.91 1014.0
26 10:56 Vrbl 7 10.00 A Few Clouds FEW085 64.9 50 59% 29.91 1014.1
26 09:56 Vrbl 6 10.00 Overcast BKN060 OVC080 62.1 48.9 62% 29.91 1014.0
26 08:56 Vrbl 5 10.00 Mostly Cloudy BKN120 61 48.9 65% 29.9 1013.9
26 07:56 NW 9 10.00 Fair CLR 59 48 59 57 67% 29.91 1014.0
26 06:56 NW 5 10.00 Fair CLR 57 48 72% 29.91 1014.1
26 05:56 Vrbl 6 10.00 Fair CLR 57.9 48 70% 29.91 1013.9
26 04:56 Vrbl 6 10.00 Fair CLR 57.9 48 70% 29.91 1014.1
26 03:56 NW 6 10.00 Fair CLR 57 48 72% 29.93 1014.6
26 02:56 Vrbl 7 10.00 Fair CLR 57.9 48 70% 29.95 1015.4
26 01:56 Vrbl 5 10.00 Fair CLR 57.9 48 60.1 57 70% 29.97 1015.8
26 00:56 Vrbl 7 10.00 Fair CLR 59 46.9 64% 29.99 1016.5
25 23:56 Vrbl 3 10.00 Fair CLR 57.9 46.9 67% 30 1017.2
25 22:56 Vrbl 3 10.00 Fair CLR 59 46.9 64% 30.02 1017.8
25 21:56 Vrbl 3 10.00 Fair CLR 59 46.9 64% 30.03 1018.2
25 20:56 Vrbl 3 10.00 Fair CLR 57.9 46.9 67% 30.04 1018.7
25 19:56 NW 5 10.00 Fair CLR 60.1 46 73 60.1 60% 30.04 1018.7
25 18:56 Vrbl 3 10.00 Fair CLR 64 45 50% 30.03 1018.2
25 17:56 Calm 10.00 Fair CLR 68 46 45% 30.04 1018.5
25 16:56 Vrbl 5 10.00 Fair CLR 70 45 41% 30.05 1018.8
25 15:56 Vrbl 5 10.00 Fair CLR 72 46 40% 30.06 1019.2
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)