Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Metric (Imperial)
Date Time (est) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
26 15:56 Calm 16.09 Light Rain SCT035 BKN043 OVC055 5.6 4.4 92% 75.87 1013.4
26 14:56 Vrbl 6 16.09 Overcast FEW045 OVC065 7.2 0.6 63% 75.87 1013.3
26 13:56 Vrbl 6 16.09 Overcast BKN055 BKN070 OVC085 9.4 -2.2 44% 75.87 1013.1
26 12:56 Vrbl 7 16.09 Partly Cloudy FEW090 SCT100 10.6 -1.1 11.1 1.7 45% 75.9 1013.4
26 10:56 Calm 16.09 Mostly Cloudy BKN100 9.4 -1.7 46% 75.97 1014.4
26 09:56 Vrbl 6 16.09 Fair CLR 8.3 -2.2 48% 75.92 1013.9
26 08:56 E 6 16.09 Fair CLR 6.1 0 65% 75.95 1014.2
26 07:56 SE 6 16.09 Fair CLR 3.9 -2.2 65% 75.9 1013.6
26 06:56 Calm 16.09 Fair CLR 2.8 -2.2 3.3 1.1 70% 75.84 1012.7
26 05:56 Calm 16.09 Fair CLR 2.8 -1.1 76% 75.79 1012.1
26 04:56 Calm 16.09 Fair CLR 2.8 -0.6 79% 75.77 1011.6
26 03:56 Calm 16.09 Fair CLR 1.7 0.6 93% 75.69 1010.8
26 02:56 Calm 16.09 Fair CLR 1.1 0.6 97% 75.67 1010.5
26 01:56 Calm 16.09 Fair CLR 2.2 0.6 89% 75.67 1010.5
26 00:56 Calm 16.09 Fair CLR 3.3 0 10 2.8 79% 75.62 1009.8
25 23:56 SW 9 16.09 A Few Clouds FEW070 6.7 0 63% 5 75.59 1009.3
25 22:56 SW 6 16.09 A Few Clouds FEW085 6.1 -0.6 63% 75.57 1009.1
25 21:56 SW 11 16.09 Mostly Cloudy BKN090 4.4 0.6 77% 2 75.57 1009.1
25 20:56 Calm 16.09 Partly Cloudy SCT080 4.4 -0.6 70% 75.51 1008.4
25 19:56 Calm 16.09 Fair CLR 6.7 -0.6 60% 75.46 1007.9
25 18:56 W 13 16.09 Fair CLR 10 -0.6 11.1 8.9 48% 8 75.44 1007.5
25 17:56 Vrbl 6 16.09 Fair CLR 10.6 0 48% 75.34 1006.1
25 16:56 SW 7 16.09 Mostly Cloudy BKN060 BKN080 10.6 0 48% 75.29 1005.4
25 15:56 SW 15 16.09 Overcast OVC060 10 -0.6 48% 8 75.26 1005.0
25 14:56 S 11 16.09 Overcast OVC055 10.6 -1.1 45% 75.26 1005.0
25 13:56 SW 13 16.09 Overcast OVC055 10 -1.7 44% 8 75.26 1005.0
25 12:56 S 19 16.09 Fair CLR 10 -3.3 10 1.7 39% 8 75.34 1005.9
25 11:56 S 13 16.09 Mostly Cloudy FEW075 BKN100 BKN110 7.8 -3.9 44% 6 75.41 1007.0
25 10:56 SW 13 16.09 Overcast OVC060 7.2 -5 42% 5 75.44 1007.5
25 09:56 SW 13 16.09 Overcast OVC060 5 -6.1 45% 2 75.49 1008.1
25 08:56 SW 9 16.09 Overcast OVC065 3.3 -6.1 51% 1 75.46 1007.8
25 07:56 SW 7 16.09 Overcast OVC065 2.2 -6.7 52% 0 75.46 1007.9
25 06:56 S 9 16.09 Overcast BKN070 OVC090 2.2 -7.2 2.2 0 50% -0 75.46 1007.9
25 05:56 SW 7 16.09 Mostly Cloudy BKN070 1.7 -7.2 52% -0 75.46 1007.9
25 04:56 Calm 16.09 Overcast OVC110 1.1 -7.8 52% 75.46 1008.0
25 03:56 SW 7 16.09 Overcast BKN080 OVC095 1.1 -7.8 52% -1 75.49 1008.2
25 02:56 S 13 16.09 Overcast BKN075 OVC100 1.1 -8.3 50% -2 75.49 1008.3
25 01:56 S 15 16.09 Overcast FEW060 OVC080 0.6 -8.3 52% -3 75.59 1009.7
25 00:56 SW 11 16.09 Overcast SCT075 OVC090 0.6 -8.3 0.6 -0.6 52% -2 75.77 1011.9
24 23:56 S 9 16.09 Mostly Cloudy BKN110 0 -7.8 56% -3 75.74 1012.0
24 22:56 S 9 16.09 Fair CLR -0.6 -8.9 54% -3 75.87 1013.4
24 21:56 S 11 16.09 Fair CLR 0 -8.9 52% -3 75.92 1014.0
24 20:56 S 11 16.09 Fair CLR 0 -8.9 52% -3 75.95 1014.6
24 19:56 S 11 16.09 Partly Cloudy SCT110 0.6 -10 45% -2 76 1015.2
24 18:56 S 6 16.09 Fair CLR -0.6 -8.3 2.2 -0.6 56% 76.02 1015.7
24 17:56 SW 6 16.09 Fair CLR 1.7 -11.1 38% 76 1015.1
24 16:56 SW 15 16.09 Fair CLR 2.2 -10.6 39% -1 76.02 1015.6
24 14:56 W 20 16.09 Fair CLR 0.6 -10.6 43% -4 76.1 1016.6
24 13:56 W 15 16.09 Fair CLR 0.6 -10.6 43% -3 76.17 1017.5
24 12:56 W 22 G 31 16.09 Fair CLR 0 -9.4 0 -5.6 50% -5 76.23 1018.4
24 11:56 W 15 16.09 A Few Clouds FEW045 -1.1 -10 51% -5 76.3 1019.4
24 10:56 NW 26 G 39 16.09 A Few Clouds FEW043 -2.2 -10.6 53% -8 76.3 1019.3
24 09:56 NW 17 G 37 16.09 Fair CLR -3.3 -10.6 57% -8 76.33 1019.6
24 08:56 NW 31 G 43 16.09 A Few Clouds FEW036 -3.9 -10.6 60% -11 76.35 1019.8
24 07:56 W 20 G 37 16.09 Fair CLR -4.4 -10.6 62% -10 76.35 1019.9
24 06:56 W 19 G 33 16.09 Fair CLR -5 -10.6 -2.2 -5 65% -11 76.3 1019.4
24 05:56 NW 15 G 28 16.09 Fair CLR -5 -10.6 65% -10 76.28 1019.1
24 04:56 NW 17 16.09 Fair CLR -4.4 -10 65% -10 76.23 1018.4
24 03:56 NW 28 G 37 16.09 Fair CLR -3.9 -9.4 66% -11 76.17 1017.6
24 02:56 NW 24 G 33 16.09 Fair CLR -3.3 -9.4 63% -10 76.17 1017.6
24 01:56 NW 30 G 41 16.09 Partly Cloudy SCT038 -2.8 -8.9 63% -10 76.17 1017.4
24 00:56 NW 22 G 35 16.09 Partly Cloudy SCT040 -2.2 -8.3 1.1 -2.2 63% -8 76.15 1017.4
23 23:56 NW 33 G 43 16.09 Overcast and Breezy OVC038 -1.1 -7.2 64% -8 76.12 1016.9
23 22:56 NW 26 G 44 16.09 Overcast OVC044 -1.1 -6.7 66% -7 76.12 1016.7
23 21:56 NW 22 G 39 16.09 Overcast OVC042 -0.6 -6.1 67% -6 76.1 1016.5
23 20:56 NW 22 G 37 16.09 Overcast OVC043 0.6 -6.1 61% -4 76.07 1016.1
23 19:56 NW 22 G 33 16.09 Overcast BKN043 OVC050 0.6 -5.6 64% -4 76.02 1015.5
23 18:56 NW 26 G 41 16.09 Overcast OVC050 1.1 -5 3.9 1.1 64% -4 75.97 1014.9
23 17:56 NW 22 G 48 16.09 Overcast OVC045 2.2 -5 59% -2 75.92 1013.9
23 16:56 NW 20 G 37 16.09 Mostly Cloudy BKN041 2.2 -5 59% -2 75.84 1013.0
Date Time (est) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)