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.
22 16:56 S 13 G 20 10.00 Fair CLR 82.9 51.1 33% 81 29.64 1004.7
22 15:56 S 12 10.00 Fair CLR 82.9 51.1 33% 81 29.67 1005.7
22 14:56 S 9 10.00 Fair CLR 82 51.1 34% 81 29.71 1007.0
22 13:56 S 7 10.00 Fair CLR 77 50 78.1 46 39% 78 29.76 1008.6
22 12:56 S 10 10.00 Fair CLR 73 51.1 46% 29.78 1009.4
22 11:56 SE 7 10.00 Fair CLR 69.1 51.1 53% 29.81 1010.6
22 10:56 Vrbl 6 10.00 Fair CLR 63 50 63% 29.83 1011.4
22 09:56 S 8 10.00 Fair CLR 57.9 48.9 72% 29.85 1012.0
22 08:56 SE 8 10.00 Fair CLR 51.1 50 96% 29.86 1012.5
22 07:56 Calm 10.00 Fair CLR 46.4 0 53.1 45 0% 29.88 1013.1
22 06:56 Calm 10.00 Fair CLR 46 46 100% 29.87 1012.9
22 05:56 E 3 10.00 Fair CLR 46.9 46.9 100% 29.87 1012.6
22 04:56 SE 9 10.00 Fair CLR 48.9 48.9 100% 45 29.86 1012.3
22 03:56 SE 5 10.00 Fair CLR 50 48.9 96% 49 29.89 1013.2
22 02:56 S 7 10.00 Fair CLR 52 48.9 89% 29.9 1013.6
22 01:56 S 9 10.00 Fair CLR 53.1 48.9 61 53.1 86% 29.93 1014.8
22 00:56 SE 9 10.00 Overcast OVC120 54 50 87% 29.94 1015.2
21 23:56 SE 8 10.00 Fair CLR 55 42.1 62% 29.93 1014.8
21 22:56 E 5 10.00 Fair CLR 55 39.9 57% 29.94 1015.0
21 21:56 E 5 10.00 Fair CLR 55 39.9 57% 29.94 1015.1
21 20:56 E 6 10.00 Fair CLR 57.9 41 53% 29.93 1014.7
21 19:56 E 5 10.00 Fair CLR 62.1 41 70 62.1 46% 29.9 1013.9
21 18:56 NE 3 10.00 Fair CLR 64 41 43% 29.89 1013.5
21 17:56 SE 6 10.00 Fair CLR 68 41 38% 29.88 1013.1
21 16:56 Calm 10.00 Fair CLR 68 42.1 39% 29.88 1013.1
21 15:56 Vrbl 3 10.00 Fair CLR 66.9 43 42% 29.9 1013.7
21 14:56 Vrbl 3 10.00 Fair CLR 66 44.1 45% 29.92 1014.4
21 13:56 Vrbl 5 10.00 Fair CLR 66.9 45 66.9 45 45% 29.93 1014.9
21 12:56 Vrbl 6 10.00 Fair CLR 66 48 52% 29.95 1015.4
21 11:56 Vrbl 3 10.00 Fair CLR 62.1 48 60% 29.93 1014.6
21 10:56 N 5 10.00 Mostly Cloudy BKN023 61 52 72% 29.92 1014.4
21 09:56 Vrbl 6 10.00 Fair CLR 57.9 55 90% 29.9 1013.8
21 08:56 NW 3 10.00 Fair CLR 53.6 0 0% 29.88 1013.2
21 07:56 NW 3 0.25 Fog VV002 44.6 0 54 45 0% 29.85 1012.4
21 06:56 Calm 1.00 Fog/Mist VV002 46.4 0 0% 29.83 1011.6
21 05:56 Calm 10.00 Mostly Cloudy BKN065 48.2 0 0% 29.81 1010.8
21 04:56 W 5 2.00 Fog/Mist BKN075 46.4 0 0% 45 29.79 1009.9
21 03:56 Calm 10.00 Overcast FEW060 BKN075 OVC090 50 0 0% 29.78 1009.7
21 02:56 Calm 10.00 Overcast BKN065 OVC100 51.8 0 0% 29.78 1009.8
21 01:56 SW 5 10.00 Light Rain FEW070 BKN080 OVC100 54 54 57.9 53.1 100% 29.78 1009.8 0.08 0.19
21 00:56 Vrbl 7 10.00 Light Rain FEW065 OVC085 53.6 0 0% 29.8 1010.3
20 23:56 Vrbl 3 10.00 Light Rain SCT070 BKN095 OVC110 55 54 96% 29.8 1010.5 0.09
20 22:56 Calm 10.00 Overcast OVC085 57 48.9 74% 29.8 1010.2 0.01 0.02
20 21:56 S 7 10.00 Light Rain OVC075 57 51.1 81% 29.8 1010.6
20 20:56 S 6 10.00 Light Rain OVC080 55.9 53.1 90% 29.81 1011.0 0.01
20 19:56 S 5 10.00 Light Rain OVC070 55.9 55.9 72 55.9 100% 29.84 1012.0 0.04 0.07
20 18:56 W 3 9.00 Light Rain OVC070 57 54 90% 29.85 1012.2 0.03
20 17:56 W 17 G 28 10.00 Light Rain OVC075 64.9 44.1 47% 29.82 1011.2
20 16:56 S 8 10.00 Overcast FEW070 BKN090 OVC110 70 37.9 31% 29.79 1010.2
20 15:56 SW 16 G 22 10.00 Fair CLR 70 37.9 31% 29.84 1011.8
20 14:56 S 13 10.00 Fair CLR 69.1 39 33% 29.88 1013.3
20 13:56 S 13 G 17 10.00 Fair CLR 68 39.9 69.1 39 36% 29.94 1015.1
20 12:56 SW 9 10.00 Fair CLR 66.9 37.9 35% 29.99 1016.7
20 11:56 SW 9 10.00 Fair CLR 64 37 37% 30.03 1018.1
20 10:56 S 7 10.00 Fair CLR 57.9 36 44% 30.05 1019.2
20 09:56 SW 8 10.00 Fair CLR 52 35.1 53% 30.09 1020.3
20 08:56 S 6 10.00 Fair CLR 45 36 71% 42 30.11 1021.2
20 07:56 SE 5 10.00 Fair CLR 39 36 43 37 89% 36 30.12 1021.5
20 06:56 SE 3 10.00 Fair CLR 37.9 34 86% 30.11 1021.3
20 05:56 S 5 10.00 Fair CLR 39.9 34 79% 37 30.12 1021.3
20 04:56 S 3 10.00 Fair CLR 39.9 34 79% 30.12 1021.3
20 03:56 S 5 10.00 Fair CLR 41 34 76% 38 30.12 1021.5
20 02:56 SE 3 10.00 Fair CLR 41 33.1 73% 30.15 1022.5
20 01:56 S 5 10.00 Fair CLR 43 32 50 43 65% 41 30.17 1023.3
20 00:56 S 6 10.00 A Few Clouds FEW065 44.1 32 63% 41 30.18 1023.5
19 23:56 Calm 10.00 Fair CLR 45 30.9 58% 30.18 1023.7
19 22:56 SE 5 10.00 Fair CLR 45 32 61% 43 30.17 1023.3
19 21:56 SE 3 10.00 Fair CLR 46 30.9 56% 30.18 1023.6
19 20:56 SE 6 10.00 Fair CLR 48.9 30 48% 47 30.16 1023.0
19 19:56 SE 7 10.00 A Few Clouds FEW100 50 30 57.9 50 46% 48 30.15 1022.7
19 18:56 SW 3 10.00 Fair CLR 55 30.9 40% 30.15 1022.6
19 17:56 Calm 10.00 Fair CLR 57.9 30.9 36% 30.15 1022.3
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)