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.
01 06:56 W 7 10.00 Fair CLR 46 33.1 61% 43 29.97 1016.4
01 05:56 W 3 10.00 Fair CLR 46 34 63% 29.95 1015.7
01 04:56 W 5 10.00 Fair CLR 46 34 63% 44 29.93 1015.0
01 03:56 W 9 10.00 Fair CLR 46.9 36 66% 43 29.92 1014.6
01 02:56 W 7 10.00 Fair CLR 48.9 36 61% 46 29.9 1013.9
01 01:56 W 9 10.00 Mostly Cloudy BKN050 51.1 37 53.1 46.9 59% 29.88 1013.1
01 00:56 W 6 10.00 Overcast OVC050 51.1 37 59% 29.88 1013.1
31 23:56 W 6 10.00 A Few Clouds FEW055 46.9 35.1 63% 45 29.86 1012.8
31 22:56 Vrbl 6 10.00 A Few Clouds FEW060 51.1 35.1 54% 29.86 1012.6
31 21:56 W 13 G 20 10.00 A Few Clouds FEW060 50 35.1 57% 46 29.83 1011.7
31 20:56 W 10 10.00 A Few Clouds FEW060 52 34 50% 29.81 1011.0
31 19:56 W 22 G 29 10.00 Mostly Cloudy and Breezy BKN065 53.1 34 60.1 53.1 48% 29.78 1010.1
31 18:56 W 24 G 35 10.00 Overcast and Breezy OVC065 54 33.1 45% 29.77 1009.5
31 17:56 W 18 G 26 10.00 Overcast OVC065 55 33.1 44% 29.75 1008.7
31 16:56 W 24 G 36 10.00 Mostly Cloudy and Breezy BKN060 55.9 32 40% 29.71 1007.3
31 15:56 W 16 G 35 10.00 A Few Clouds FEW060 57 32 39% 29.68 1006.2
31 14:56 W 24 G 33 10.00 Fair and Breezy CLR 57.9 32 38% 29.64 1005.1
31 13:56 W 24 G 32 10.00 A Few Clouds and Breezy FEW060 60.1 34 60.1 48.9 38% 29.64 1005.0
31 12:56 W 22 G 35 10.00 Mostly Cloudy and Breezy BKN055 55.9 34 44% 29.64 1005.1
31 11:56 W 25 G 35 10.00 Fair and Breezy CLR 57 35.1 44% 29.63 1004.8
31 10:56 W 23 G 36 10.00 A Few Clouds and Breezy FEW049 53.1 34 48% 29.62 1004.6
31 09:56 W 15 G 31 10.00 A Few Clouds FEW047 53.1 34 48% 29.63 1004.9
31 08:56 W 16 G 31 10.00 Partly Cloudy SCT041 50 35.1 57% 45 29.61 1004.1
31 07:56 W 16 G 25 10.00 Mostly Cloudy BKN040 48.9 39 52 48 69% 44 29.59 1003.4
31 06:56 W 10 G 20 10.00 Overcast OVC040 50 39 66% 46 29.56 1002.3
31 05:56 NW 14 G 29 10.00 Overcast OVC042 51.1 39 64% 29.53 1001.1
31 04:56 W 16 G 22 10.00 Overcast OVC038 51.1 41 69% 29.51 1000.5
31 03:56 W 9 G 22 10.00 Overcast OVC044 52 41 66% 29.51 1000.3
31 02:56 W 12 10.00 Mostly Cloudy BKN038 51.1 43 74% 29.49 999.6
31 01:56 SW 6 10.00 Mostly Cloudy BKN042 48.9 44.1 52 46 83% 47 29.48 999.6
31 00:56 W 6 10.00 Partly Cloudy SCT044 46.9 46 97% 45 29.49 999.9
30 23:56 W 5 10.00 A Few Clouds FEW049 46 46 100% 44 29.49 1000.0
30 22:56 Calm 10.00 Fair CLR 48 46 93% 29.5 1000.3
30 21:56 W 5 10.00 Fair CLR 48.9 45 86% 48 29.51 1000.5
30 20:56 W 6 10.00 Fair CLR 51.1 44.1 77% 29.51 1000.6
30 19:56 NW 3 10.00 A Few Clouds FEW055 52 48.9 64.9 52 89% 29.51 1000.6
30 18:56 W 8 10.00 A Few Clouds FEW085 55.9 50 81% 29.51 1000.6
30 17:56 W 7 10.00 Overcast OVC075 60.1 52 75% 29.5 1000.1
30 16:56 W 10 10.00 Overcast BKN042 BKN050 OVC070 62.1 51.1 67% 29.49 999.6
30 15:56 SW 8 10.00 Partly Cloudy FEW037 SCT065 64.9 48 54% 29.48 999.4
30 14:56 SW 10 10.00 Mostly Cloudy FEW024 SCT030 BKN040 64.9 53.1 66% 29.5 999.9
30 13:56 S 7 10.00 Overcast BKN018 BKN023 OVC045 62.1 59 64 57.9 90% 29.51 1000.6 0.11
30 12:56 S 10 G 17 10.00 Overcast OVC014 62.1 60.1 93% 29.52 1000.9
30 11:56 Vrbl 6 G 22 10.00 Overcast BKN012 BKN020 OVC025 63 63 100% 29.54 1001.6
30 10:56 S 8 10.00 Overcast SCT007 OVC015 62.6 0 0% 29.55 1002.0 0.11
30 09:56 Calm 5.00 Light Rain OVC005 59 0 0% 29.57 1002.7 0.01
30 08:56 W 3 10.00 Light Rain BKN005 OVC013 59 0 0% 29.58 1003.0 0.1
30 07:56 E 9 3.00 Light Rain OVC005 57.2 0 57.9 51.1 0% 29.56 1002.4 0.02 0.36
30 06:56 Vrbl 5 10.00 Light Rain OVC005 55.4 0 0% 29.58 1002.9 0.02
30 05:56 Vrbl 6 7.00 Light Rain OVC005 53.6 0 0% 29.62 1004.5 0.01
30 04:56 Vrbl 3 8.00 Light Rain SCT005 BKN032 OVC039 53.6 0 0% 29.68 1006.5 0.07 0.31
30 03:56 Calm 6.00 Light Rain OVC007 51.8 0 0% 29.75 1008.7 0.14
30 02:56 Vrbl 5 4.00 Rain OVC007 51.8 0 0% 29.76 1009.1 0.1
30 01:56 Vrbl 7 3.00 Light Rain OVC007 51.8 0 54 50 0% 29.8 1010.5 0.19 0.61
30 00:56 Vrbl 3 3.00 Heavy Rain BKN007 OVC013 51.8 0 0% 29.86 1012.6 0.31
29 23:56 Calm 3.00 Rain OVC007 50 0 0% 29.92 1014.4 0.07
29 22:56 Vrbl 5 4.00 Light Rain OVC007 50 0 0% 49 29.93 1014.9 0.04 0.04
29 21:56 Vrbl 5 8.00 Light Rain OVC009 51.8 0 0% 29.97 1016.5
29 20:56 Vrbl 7 10.00 Light Rain OVC015 52 52 100% 29.99 1017.1
29 19:56 Vrbl 5 10.00 Overcast OVC021 53.1 48 60.1 53.1 83% 30 1017.2
29 18:56 Vrbl 7 10.00 Overcast OVC025 54 46 75% 30.01 1017.8
29 17:56 Vrbl 5 10.00 Overcast BKN029 OVC080 55 45 69% 30 1017.4
29 16:56 Calm 10.00 Overcast SCT029 OVC060 55.9 45 67% 30.02 1017.9
29 15:56 Vrbl 6 10.00 Overcast OVC060 57 44.1 62% 30.02 1018.0
29 14:56 Vrbl 5 10.00 Overcast BKN031 BKN065 OVC090 60.1 44.1 56% 30.03 1018.2
29 13:56 Vrbl 3 10.00 Mostly Cloudy FEW031 BKN055 BKN100 59 43 59 46 56% 30.05 1018.8
29 12:56 Calm 10.00 Overcast FEW028 OVC055 55.9 43 62% 30.07 1019.8
29 11:56 Vrbl 6 10.00 Overcast OVC050 55 43 64% 30.1 1020.8
29 10:56 Vrbl 6 10.00 Overcast OVC060 51.1 41 69% 30.11 1021.0
29 09:56 Vrbl 3 10.00 Overcast FEW049 OVC065 48 41 77% 30.11 1021.2
29 08:56 Vrbl 3 10.00 Overcast OVC042 46.9 42.1 83% 30.11 1021.2
29 07:56 Vrbl 5 10.00 Overcast BKN034 OVC044 45 44.1 46.9 45 97% 43 30.1 1020.8
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)