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.
03 09:56 NW 9 G 25 10.00 Fair CLR 48.9 28 44% 45 30.05 1019.3
03 08:56 NW 13 G 20 10.00 Fair CLR 45 28 52% 39 30.05 1019.1
03 07:56 NW 8 10.00 Fair CLR 43 28 43 37.9 56% 39 30.04 1018.8
03 06:56 NW 12 10.00 Fair CLR 39.9 28 63% 34 30.01 1017.9
03 05:56 W 8 10.00 Fair CLR 37.9 30 73% 33 29.99 1017.0
03 04:56 NW 8 10.00 A Few Clouds FEW080 39 30.9 73% 34 29.98 1016.6
03 03:56 W 7 10.00 Overcast OVC080 39.9 32 73% 36 29.96 1016.1
03 02:56 NW 6 10.00 Fair CLR 41 30.9 67% 38 29.95 1015.8
03 01:56 W 8 10.00 Fair CLR 41 30.9 52 39.9 67% 36 29.95 1015.7
03 00:56 W 5 10.00 Fair CLR 41 32 70% 38 29.95 1015.8
02 23:56 NW 5 10.00 Fair CLR 45 32 61% 43 29.96 1016.1
02 22:56 Vrbl 7 10.00 Overcast OVC100 48 32 54% 45 29.96 1016.0
02 21:56 Vrbl 5 10.00 Overcast OVC095 50 30.9 48% 49 29.95 1015.9
02 20:56 Vrbl 3 10.00 Overcast OVC090 48.9 30.9 50% 29.93 1015.1
02 19:56 Calm 10.00 A Few Clouds FEW085 52 30.9 60.1 52 45% 29.91 1014.3
02 18:56 Vrbl 3 10.00 Mostly Cloudy BKN085 54 32 43% 29.9 1014.2
02 17:56 Vrbl 5 10.00 Mostly Cloudy FEW060 BKN080 55 32 42% 29.9 1014.0
02 16:56 W 12 G 18 10.00 Mostly Cloudy BKN080 57.9 30.9 36% 29.89 1013.6
02 15:56 Vrbl 5 10.00 Overcast OVC070 57.9 32 38% 29.89 1013.7
02 14:56 Vrbl 6 10.00 Mostly Cloudy BKN070 57.9 30 35% 29.92 1014.5
02 13:56 Vrbl 6 10.00 Partly Cloudy SCT065 57.9 32 57.9 46 38% 29.94 1015.2
02 12:56 W 5 10.00 Mostly Cloudy BKN060 54 32 43% 29.95 1015.7
02 11:56 Vrbl 3 10.00 Fair CLR 54 33.1 45% 29.97 1016.1
02 10:56 Vrbl 3 10.00 Fair CLR 53.1 35.1 51% 29.97 1016.3
02 09:56 Vrbl 6 10.00 Fair CLR 50 34 54% 48 29.96 1016.0
02 08:56 NW 7 10.00 Fair CLR 46.9 36 66% 44 29.97 1016.2
02 07:56 Vrbl 6 10.00 Fair CLR 46 36 52 45 68% 44 29.97 1016.2
02 06:56 NW 9 10.00 Fair CLR 45 37 74% 41 29.96 1015.8
02 05:56 NW 10 G 20 10.00 Fair CLR 46.9 35.1 63% 43 29.94 1015.1
02 04:56 NW 8 10.00 Fair CLR 48 37 66% 45 29.93 1014.9
02 03:56 Vrbl 7 10.00 A Few Clouds FEW080 50 37.9 63% 48 29.93 1014.6
02 02:56 NW 6 10.00 Overcast OVC065 51.1 42.1 71% 29.92 1014.3
02 01:56 NW 5 10.00 Overcast OVC060 52 43 62.1 52 72% 29.93 1014.7
02 00:56 NW 5 10.00 Light Rain OVC055 52 48 86% 29.93 1014.9
01 23:56 Calm 10.00 Overcast OVC060 53.1 48 83% 29.92 1014.5
01 22:56 Calm 10.00 Overcast OVC070 55.9 39.9 55% 29.89 1013.5
01 21:56 SE 3 10.00 Overcast OVC075 57 41 55% 29.89 1013.4
01 20:56 SE 6 10.00 Light Rain OVC080 60.1 39.9 48% 29.86 1012.5
01 19:56 SE 8 10.00 Overcast OVC095 62.1 36 68 62.1 38% 29.85 1012.0
01 18:56 S 9 10.00 Overcast BKN100 OVC110 64 35.1 34% 29.84 1011.9
01 17:56 S 13 10.00 Fair CLR 66.9 36 32% 29.84 1012.0
01 16:56 S 10 10.00 Fair CLR 66.9 35.1 31% 29.86 1012.3
01 15:56 Vrbl 6 10.00 A Few Clouds FEW065 66.9 37 33% 29.87 1012.8
01 14:56 S 9 10.00 Fair CLR 66 37.9 36% 29.9 1013.8
01 13:56 SW 8 10.00 Fair CLR 64.9 35.1 64.9 45 33% 29.93 1014.7
01 12:56 Vrbl 6 10.00 Fair CLR 62.1 35.1 37% 29.94 1015.3
01 11:56 Vrbl 5 10.00 Fair CLR 62.1 36 38% 29.96 1015.9
01 10:56 Calm 10.00 Fair CLR 57 33.1 41% 29.98 1016.8
01 09:56 Calm 10.00 Fair CLR 55 34 45% 29.99 1017.0
01 08:56 W 3 10.00 Fair CLR 50 37.9 63% 30 1017.4
01 07:56 NW 3 10.00 Fair CLR 44.1 39.9 44.1 37 85% 30 1017.5
01 06:56 Calm 10.00 Fair CLR 39 39 100% 29.99 1017.0
01 05:56 Calm 10.00 Fair CLR 37.4 0 0% 29.98 1017.0
01 04:56 Calm 10.00 Fair CLR 37.9 37.9 100% 29.98 1016.7
01 03:56 Calm 10.00 Fair CLR 39.9 39.9 100% 29.97 1016.5
01 02:56 NW 3 10.00 Fair CLR 39.9 37.9 93% 29.96 1016.1
01 01:56 Calm 10.00 Fair CLR 39.9 39.9 54 39.9 100% 29.96 1016.1
01 00:56 NW 6 10.00 Fair CLR 42.1 39 89% 39 29.97 1016.2
30 23:56 Calm 10.00 Fair CLR 44.1 37 76% 29.96 1016.0
30 22:56 Calm 10.00 Fair CLR 46 36 68% 29.96 1015.8
30 21:56 Vrbl 3 10.00 Fair CLR 48 36 63% 29.94 1015.4
30 20:56 Vrbl 5 10.00 Fair CLR 50 35.1 57% 49 29.93 1014.9
30 19:56 NW 12 G 18 10.00 A Few Clouds FEW080 54 37.9 66.9 54 55% 29.9 1014.0
30 18:56 NW 12 G 20 10.00 Partly Cloudy FEW055 SCT080 57.9 39 50% 29.86 1012.7
30 17:56 NW 17 G 23 10.00 A Few Clouds FEW060 63 39 41% 29.83 1011.4
30 16:56 NW 14 G 23 10.00 Overcast BKN070 OVC085 63 37 38% 29.81 1010.7
30 15:56 W 17 G 24 10.00 A Few Clouds FEW070 64 36 35% 29.79 1010.0
30 14:56 W 16 G 21 10.00 Partly Cloudy SCT070 66.9 37.9 35% 29.79 1009.8
30 13:56 W 15 G 26 10.00 A Few Clouds FEW065 64.9 37 66 51.1 36% 29.79 1010.0
30 12:56 W 16 G 24 10.00 A Few Clouds FEW065 64.9 39 39% 29.8 1010.4
30 11:56 W 14 G 23 10.00 Partly Cloudy SCT050 63 42.1 47% 29.81 1010.7
30 10:56 NW 13 G 24 10.00 Partly Cloudy SCT048 62.1 43 50% 29.82 1011.0
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)