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.
09 11:56 SE 9 10.00 Overcast OVC008 61 61 100% 29.73 1007.9
09 10:56 SE 6 10.00 Overcast OVC006 57 57 100% 29.75 1008.8
09 09:56 SE 6 10.00 Overcast OVC008 55 55 100% 29.78 1009.8 0.02
09 08:56 SE 3 10.00 Overcast OVC010 53.6 0 0% 29.8 1010.5
09 07:56 Calm 9.00 Overcast BKN014 OVC043 53.6 0 0% 29.81 1010.8 0.02
09 06:56 SE 6 10.00 Rain OVC060 50 0 50 44.1 0% 48 29.83 1011.5
09 05:56 Calm 9.00 Overcast OVC065 46.4 0 0% 29.82 1011.3
09 04:56 Calm 10.00 Partly Cloudy SCT070 46.4 0 0% 29.82 1011.1
09 03:56 Calm 10.00 A Few Clouds FEW080 46.4 0 0% 29.84 1011.6
09 02:56 Calm 10.00 Fair CLR 44.6 0 0% 29.84 1011.9
09 01:56 Calm 10.00 Fair CLR 48 48 100% 29.85 1012.1
09 00:56 Calm 10.00 Fair CLR 48.9 48.9 57 48.9 100% 29.86 1012.4
08 23:56 SE 5 10.00 Fair CLR 53.1 50 89% 29.86 1012.4
08 22:56 SE 6 10.00 Fair CLR 54 48 80% 29.87 1012.7
08 21:56 SE 6 10.00 Fair CLR 55 45 69% 29.86 1012.4
08 20:56 SE 7 10.00 Mostly Cloudy BKN085 55 44.1 67% 29.86 1012.3
08 19:56 SE 6 10.00 Fair CLR 55.9 44.1 65% 29.85 1012.3
08 18:56 SE 3 10.00 Fair CLR 57 43 69.1 57 60% 29.86 1012.5
08 17:56 SE 6 10.00 Fair CLR 61 43 52% 29.85 1012.0
08 16:56 S 3 10.00 Fair CLR 63 43 48% 29.83 1011.1
08 15:56 Calm 10.00 Fair CLR 66 44.1 45% 29.82 1011.2
08 14:56 Vrbl 5 10.00 Fair CLR 68 43 40% 29.81 1010.5
08 13:56 Vrbl 6 10.00 Fair CLR 68 43 40% 29.81 1010.7
08 12:56 SW 7 10.00 Fair CLR 66.9 44.1 68 48.9 44% 29.82 1011.0
08 11:56 W 6 10.00 Fair CLR 66 45 47% 29.83 1011.4
08 10:56 W 8 10.00 Fair CLR 64.9 48.9 56% 29.84 1011.7
08 09:56 W 8 10.00 Fair CLR 62.1 51.1 67% 29.84 1011.6
08 08:56 W 6 10.00 Fair CLR 57.2 0 0% 29.83 1011.2
08 07:56 NW 3 2.00 Fog/Mist CLR 51.8 0 0% 29.81 1010.7
08 06:56 NW 3 0.15 Fog OVC002 50 0 55 50 0% 29.78 1009.7 0.02
08 05:53 Calm 0.50 Fog CLR 51.8 0 0% 29.75 1008.6
08 04:56 W 3 9.00 Overcast BKN065 OVC090 53.6 0 0% 29.72 1007.5
08 03:56 SW 5 10.00 Overcast OVC040 55.4 0 0% 29.71 1007.1 0.02
08 02:56 W 6 10.00 Mostly Cloudy FEW043 SCT065 BKN120 55.4 0 0% 29.69 1006.7
08 01:56 S 5 10.00 Light Rain BKN090 OVC100 55.4 0 0% 29.69 1006.5 0.02
08 00:56 S 3 10.00 Light Rain FEW075 OVC095 55.4 0 61 54 0% 29.71 1007.2 0.04 0.18
07 23:56 S 7 10.00 Rain OVC090 55.4 0 0% 29.7 1007.1 0.11
07 22:56 SW 3 8.00 Rain OVC085 55 55 100% 29.72 1007.7 0.03
07 21:56 S 6 10.00 Light Rain FEW080 BKN100 BKN120 59 48 67% 29.72 1007.8
07 20:56 S 6 10.00 Mostly Cloudy BKN080 BKN090 60.1 45 58% 29.72 1007.8
07 19:56 S 6 10.00 Overcast OVC080 60.1 44.1 56% 29.73 1008.2
07 18:56 S 9 10.00 Partly Cloudy SCT085 61 44.1 62.1 59 54% 29.74 1008.5
07 17:56 S 9 10.00 Fair CLR 61 42.1 50% 29.73 1008.3
07 16:56 S 9 10.00 Fair CLR 61 41 48% 29.75 1008.9
07 15:56 S 12 G 18 10.00 Fair CLR 61 39.9 46% 29.76 1009.3
07 14:56 S 13 G 20 10.00 Fair CLR 61 39 44% 29.8 1010.5
07 13:56 S 13 G 20 10.00 Fair CLR 60.1 37 42% 29.83 1011.7
07 12:56 S 15 G 22 10.00 Mostly Cloudy BKN075 59 35.1 60.1 39 41% 29.88 1013.3
07 11:56 S 15 G 25 10.00 Partly Cloudy SCT075 59 34 39% 29.93 1015.0
07 10:56 S 16 10.00 Fair CLR 59 30.9 35% 29.98 1016.7
07 09:56 S 12 10.00 A Few Clouds FEW031 55 28.9 37% 30.01 1017.8
07 08:56 S 12 G 17 10.00 A Few Clouds FEW035 51.1 28.9 43% 30.04 1019.0
07 07:56 S 7 10.00 Fair CLR 44.1 32 63% 41 30.06 1019.6
07 06:56 SE 6 10.00 Fair CLR 39 30 39 30 70% 35 30.07 1019.9
07 05:56 SE 6 10.00 Fair CLR 39 30.9 73% 35 30.08 1020.1
07 04:56 SE 7 10.00 Fair CLR 37 30.9 79% 32 30.09 1020.6
07 03:56 SE 5 10.00 Fair CLR 33.1 28.9 85% 29 30.1 1021.1
07 02:56 Calm 10.00 Fair CLR 32 28 85% 30.12 1021.6
07 01:56 Calm 10.00 Fair CLR 30 27 88% 30.14 1022.2
07 00:56 Calm 10.00 Fair CLR 30.9 28.9 44.1 30.9 92% 30.15 1022.8
06 23:56 Calm 10.00 Fair CLR 35.1 28 76% 30.17 1023.2
06 22:56 Calm 10.00 Fair CLR 36 30 79% 30.18 1023.6
06 21:56 Calm 10.00 Fair CLR 37.9 28 68% 30.19 1023.8
06 20:56 Calm 10.00 Fair CLR 37.9 28.9 70% 30.18 1023.8
06 19:56 Calm 10.00 Fair CLR 39.9 28.9 65% 30.18 1023.6
06 18:56 Calm 10.00 Fair CLR 44.1 25 57 44.1 47% 30.17 1023.3
06 17:56 NW 3 10.00 Fair CLR 48 24.1 39% 30.16 1022.7
06 16:56 Vrbl 3 10.00 Fair CLR 53.1 23 31% 30.15 1022.6
06 15:56 W 9 10.00 Fair CLR 55.9 24.1 29% 30.15 1022.4
06 14:56 NW 16 G 24 10.00 Fair CLR 55.9 23 28% 30.14 1022.1
06 13:56 W 18 G 24 10.00 Fair CLR 57 24.1 28% 30.14 1022.2
06 12:56 NW 13 G 21 10.00 Fair CLR 55.9 25 57 41 30% 30.16 1022.6
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)