Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Imperial (Metric)
Date Time (est) 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.
26 10:56 Calm 10.00 Mostly Cloudy BKN100 48.9 28.9 46% 29.91 1014.4
26 09:56 Vrbl 3 10.00 Fair CLR 46.9 28 48% 29.89 1013.9
26 08:56 E 3 10.00 Fair CLR 43 32 65% 29.9 1014.2
26 07:56 SE 3 10.00 Fair CLR 39 28 65% 29.88 1013.6
26 06:56 Calm 10.00 Fair CLR 37 28 37.9 34 70% 29.86 1012.7
26 05:56 Calm 10.00 Fair CLR 37 30 76% 29.84 1012.1
26 04:56 Calm 10.00 Fair CLR 37 30.9 79% 29.83 1011.6
26 03:56 Calm 10.00 Fair CLR 35.1 33.1 93% 29.8 1010.8
26 02:56 Calm 10.00 Fair CLR 34 33.1 97% 29.79 1010.5
26 01:56 Calm 10.00 Fair CLR 36 33.1 89% 29.79 1010.5
26 00:56 Calm 10.00 Fair CLR 37.9 32 50 37 79% 29.77 1009.8
25 23:56 SW 6 10.00 A Few Clouds FEW070 44.1 32 63% 41 29.76 1009.3
25 22:56 SW 3 10.00 A Few Clouds FEW085 43 30.9 63% 29.75 1009.1
25 21:56 SW 7 10.00 Mostly Cloudy BKN090 39.9 33.1 77% 36 29.75 1009.1
25 20:56 Calm 10.00 Partly Cloudy SCT080 39.9 30.9 70% 29.73 1008.4
25 19:56 Calm 10.00 Fair CLR 44.1 30.9 60% 29.71 1007.9
25 18:56 W 8 10.00 Fair CLR 50 30.9 52 48 48% 47 29.7 1007.5
25 17:56 Vrbl 3 10.00 Fair CLR 51.1 32 48% 29.66 1006.1
25 16:56 SW 5 10.00 Mostly Cloudy BKN060 BKN080 51.1 32 48% 29.64 1005.4
25 15:56 SW 9 10.00 Overcast OVC060 50 30.9 48% 47 29.63 1005.0
25 14:56 S 7 10.00 Overcast OVC055 51.1 30 45% 29.63 1005.0
25 13:56 SW 8 10.00 Overcast OVC055 50 28.9 44% 47 29.63 1005.0
25 12:56 S 12 10.00 Fair CLR 50 26.1 50 35.1 39% 46 29.66 1005.9
25 11:56 S 8 10.00 Mostly Cloudy FEW075 BKN100 BKN110 46 25 44% 42 29.69 1007.0
25 10:56 SW 8 10.00 Overcast OVC060 45 23 42% 41 29.7 1007.5
25 09:56 SW 8 10.00 Overcast OVC060 41 21 45% 36 29.72 1008.1
25 08:56 SW 6 10.00 Overcast OVC065 37.9 21 51% 34 29.71 1007.8
25 07:56 SW 5 10.00 Overcast OVC065 36 19.9 52% 33 29.71 1007.9
25 06:56 S 6 10.00 Overcast BKN070 OVC090 36 19 36 32 50% 32 29.71 1007.9
25 05:56 SW 5 10.00 Mostly Cloudy BKN070 35.1 19 52% 32 29.71 1007.9
25 04:56 Calm 10.00 Overcast OVC110 34 18 52% 29.71 1008.0
25 03:56 SW 5 10.00 Overcast BKN080 OVC095 34 18 52% 30 29.72 1008.2
25 02:56 S 8 10.00 Overcast BKN075 OVC100 34 17.1 50% 28 29.72 1008.3
25 01:56 S 9 10.00 Overcast FEW060 OVC080 33.1 17.1 52% 26 29.76 1009.7
25 00:56 SW 7 10.00 Overcast SCT075 OVC090 33.1 17.1 33.1 30.9 52% 28 29.83 1011.9
24 23:56 S 6 10.00 Mostly Cloudy BKN110 32 18 56% 27 29.82 1012.0
24 22:56 S 6 10.00 Fair CLR 30.9 16 54% 26 29.87 1013.4
24 21:56 S 7 10.00 Fair CLR 32 16 52% 26 29.89 1014.0
24 20:56 S 7 10.00 Fair CLR 32 16 52% 26 29.9 1014.6
24 19:56 S 7 10.00 Partly Cloudy SCT110 33.1 14 45% 28 29.92 1015.2
24 18:56 S 3 10.00 Fair CLR 30.9 17.1 36 30.9 56% 29.93 1015.7
24 17:56 SW 3 10.00 Fair CLR 35.1 12 38% 29.92 1015.1
24 16:56 SW 9 10.00 Fair CLR 36 12.9 39% 30 29.93 1015.6
24 14:56 W 13 10.00 Fair CLR 33.1 12.9 43% 25 29.96 1016.6
24 13:56 W 9 10.00 Fair CLR 33.1 12.9 43% 26 29.99 1017.5
24 12:56 W 14 G 20 10.00 Fair CLR 32 15.1 32 21.9 50% 23 30.01 1018.4
24 11:56 W 9 10.00 A Few Clouds FEW045 30 14 51% 22 30.04 1019.4
24 10:56 NW 16 G 24 10.00 A Few Clouds FEW043 28 12.9 53% 17 30.04 1019.3
24 09:56 NW 10 G 23 10.00 Fair CLR 26.1 12.9 57% 17 30.05 1019.6
24 08:56 NW 20 G 26 10.00 A Few Clouds FEW036 25 12.9 60% 12 30.06 1019.8
24 07:56 W 13 G 23 10.00 Fair CLR 24.1 12.9 62% 13 30.06 1019.9
24 06:56 W 12 G 21 10.00 Fair CLR 23 12.9 28 23 65% 13 30.04 1019.4
24 05:56 NW 9 G 17 10.00 Fair CLR 23 12.9 65% 14 30.03 1019.1
24 04:56 NW 10 10.00 Fair CLR 24.1 14 65% 15 30.01 1018.4
24 03:56 NW 17 G 23 10.00 Fair CLR 25 15.1 66% 13 29.99 1017.6
24 02:56 NW 15 G 21 10.00 Fair CLR 26.1 15.1 63% 15 29.99 1017.6
24 01:56 NW 18 G 25 10.00 Partly Cloudy SCT038 27 16 63% 15 29.99 1017.4
24 00:56 NW 14 G 22 10.00 Partly Cloudy SCT040 28 17.1 34 28 63% 18 29.98 1017.4
23 23:56 NW 21 G 26 10.00 Overcast and Breezy OVC038 30 19 64% 18 29.97 1016.9
23 22:56 NW 16 G 28 10.00 Overcast OVC044 30 19.9 66% 19 29.97 1016.7
23 21:56 NW 14 G 24 10.00 Overcast OVC042 30.9 21 67% 21 29.96 1016.5
23 20:56 NW 14 G 23 10.00 Overcast OVC043 33.1 21 61% 24 29.95 1016.1
23 19:56 NW 14 G 21 10.00 Overcast BKN043 OVC050 33.1 21.9 64% 24 29.93 1015.5
23 18:56 NW 16 G 25 10.00 Overcast OVC050 34 23 39 34 64% 24 29.91 1014.9
23 17:56 NW 14 G 30 10.00 Overcast OVC045 36 23 59% 28 29.89 1013.9
23 16:56 NW 13 G 23 10.00 Mostly Cloudy BKN041 36 23 59% 28 29.86 1013.0
23 15:56 NW 14 G 31 10.00 Overcast OVC039 37 25 62% 29 29.84 1012.2
23 14:56 NW 17 G 31 10.00 Overcast OVC039 37 26.1 65% 28 29.81 1011.3
23 13:56 NW 18 G 30 10.00 Overcast OVC035 37.9 34 86% 29 29.78 1010.4
23 12:56 NW 14 G 23 10.00 Overcast OVC031 36 35.1 36 28.9 97% 28 29.79 1010.7 0.01
Date Time (est) 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)