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.
23 15:56 W 9 10.00 Partly Cloudy SCT070 80.1 52 38% 80 29.9 1013.4
23 14:56 W 9 10.00 A Few Clouds FEW065 79 53.1 41% 79 29.93 1014.4
23 13:56 W 16 G 21 10.00 Fair CLR 78.1 53.1 79 60.1 42% 79 29.94 1015.0
23 12:56 NW 5 10.00 Fair CLR 77 55 47% 78 29.97 1015.9
23 11:56 Vrbl 3 10.00 Partly Cloudy SCT045 75 55.9 52% 78 30 1016.8
23 10:56 Vrbl 3 10.00 Fair CLR 73 55.9 55% 30 1017.1
23 09:56 NW 10 10.00 Fair CLR 70 55 59% 30 1017.1
23 08:56 NW 7 10.00 Fair CLR 66.9 55 66% 30 1017.1
23 07:56 W 3 10.00 Fair CLR 60.1 57.9 60.1 51.1 93% 30 1017.0
23 06:56 Calm 10.00 A Few Clouds FEW095 51.8 0 0% 29.99 1016.8
23 05:56 Calm 10.00 Fair CLR 51.1 51.1 100% 29.97 1016.2
23 04:56 Calm 10.00 Fair CLR 53.1 53.1 100% 29.97 1015.9
23 03:56 Calm 10.00 A Few Clouds FEW065 53.1 52 96% 29.97 1015.9
23 02:56 Calm 10.00 Fair CLR 55 51.1 87% 29.96 1015.8
23 01:56 Calm 10.00 Fair CLR 55 51.1 70 55 87% 29.97 1016.1
23 00:56 Calm 10.00 Fair CLR 59 48.9 69% 29.98 1016.4
22 23:56 W 5 10.00 Fair CLR 59 48.9 69% 29.98 1016.3
22 22:56 Calm 10.00 Fair CLR 59 48 67% 29.97 1016.1
22 21:56 Calm 10.00 Fair CLR 62.1 48.9 62% 29.96 1015.7
22 20:56 W 5 10.00 Fair CLR 66.9 48 51% 29.95 1015.4
22 19:56 W 5 10.00 A Few Clouds FEW100 70 48 78.1 70 46% 29.93 1014.6
22 18:56 SW 12 10.00 Mostly Cloudy BKN075 BKN090 73.9 50 43% 29.92 1014.2
22 17:56 Vrbl 7 10.00 Fair CLR 75.9 48 37% 78 29.93 1014.5
22 16:56 Vrbl 5 10.00 A Few Clouds FEW065 77 48.9 37% 78 29.93 1014.8
22 15:56 W 6 10.00 Partly Cloudy SCT070 75.9 50 40% 78 29.95 1015.2
22 14:56 Vrbl 6 10.00 Mostly Cloudy BKN075 73.9 48.9 41% 29.97 1016.2
22 13:56 Vrbl 6 10.00 Mostly Cloudy BKN080 70 48.9 70 48.9 47% 30 1017.3 0.06
22 12:56 Vrbl 3 10.00 Fair CLR 63 51.1 65% 30.03 1018.0
22 11:56 Vrbl 5 10.00 A Few Clouds FEW100 55.9 53.1 90% 30.04 1018.6 0.01
22 10:56 Calm 10.00 Light Rain OVC080 48.9 48.9 100% 30.05 1019.1 0.05 0.05
22 09:56 Calm 10.00 Light Rain BKN095 BKN110 55 39 55% 30.06 1019.2
22 08:56 SW 3 10.00 Overcast OVC110 53.1 37 55% 30.05 1019.0
22 07:56 SW 3 10.00 Fair CLR 53.1 36 53.1 50 52% 30.05 1019.0
22 06:56 Calm 10.00 Fair CLR 51.1 35.1 54% 30.05 1018.9
22 05:56 Vrbl 6 10.00 Fair CLR 52 35.1 53% 30.05 1018.8
22 04:56 S 5 10.00 Fair CLR 51.1 37 59% 30.05 1019.0
22 03:56 S 6 10.00 Fair CLR 51.1 37 59% 30.07 1019.6
22 02:56 SE 8 10.00 Fair CLR 50 37.9 63% 47 30.09 1020.3
22 01:56 SE 7 10.00 Fair CLR 50 37.9 57 46.9 63% 48 30.11 1021.1
22 00:56 SE 8 10.00 Fair CLR 48 36 63% 45 30.15 1022.4
21 23:56 SE 8 10.00 Fair CLR 48 35.1 61% 45 30.16 1023.1
21 22:56 SE 9 10.00 Fair CLR 50 33.1 52% 47 30.18 1023.7
21 21:56 SE 8 10.00 Fair CLR 53.1 30.9 43% 30.19 1023.9
21 20:56 SE 8 10.00 Fair CLR 55 28 36% 30.19 1023.6
21 19:56 SE 7 10.00 Fair CLR 57 26.1 63 57 30% 30.18 1023.7
21 18:56 S 10 10.00 Fair CLR 59 26.1 28% 30.17 1023.5
21 17:56 SE 14 10.00 Fair CLR 61 25 25% 30.18 1023.7
21 16:56 S 8 10.00 Fair CLR 63 21.9 21% 30.2 1024.2
21 15:56 S 8 10.00 Fair CLR 62.1 23 22% 30.24 1025.7
21 14:56 S 7 10.00 Fair CLR 59 23 25% 30.27 1026.7
21 13:56 S 9 10.00 Fair CLR 57 21.9 57.9 30.9 26% 30.31 1028.1
21 12:56 Vrbl 7 10.00 Fair CLR 54 21 28% 30.34 1029.3
21 11:56 Calm 10.00 Fair CLR 52 21.9 31% 30.37 1030.4
21 10:56 W 9 10.00 Fair CLR 48.9 23 36% 45 30.4 1031.2
21 09:56 SE 5 10.00 Fair CLR 46.9 24.1 41% 45 30.42 1031.8
21 08:56 Vrbl 5 10.00 Fair CLR 42.1 25 51% 40 30.44 1032.6
21 07:56 Calm 10.00 Fair CLR 30.9 28.9 30.9 24.1 92% 30.44 1032.5
21 06:56 Calm 10.00 Fair CLR 25 23 92% 30.42 1032.1
21 05:56 Calm 10.00 Fair CLR 25 23 92% 30.38 1030.7
21 04:56 Calm 10.00 Fair CLR 26.1 23 88% 30.37 1030.2
21 03:56 Calm 10.00 Fair CLR 26.1 21.9 84% 30.35 1029.7
21 02:56 Calm 10.00 Fair CLR 27 25 92% 30.33 1029.1
21 01:56 Calm 10.00 Fair CLR 30.9 26.1 45 30 82% 30.34 1029.3
21 00:56 Calm 10.00 Fair CLR 30.9 26.1 82% 30.35 1029.8
20 23:56 Calm 10.00 Fair CLR 34 23 64% 30.34 1029.4
20 22:56 Calm 10.00 Fair CLR 35.1 24.1 64% 30.34 1029.3
20 21:56 Calm 10.00 Fair CLR 37.9 21 51% 30.35 1029.3
20 20:56 Calm 10.00 Fair CLR 41 21 45% 30.32 1028.6
20 19:56 Calm 10.00 Fair CLR 45 18 54 45 34% 30.29 1027.5
20 18:56 Vrbl 6 G 16 10.00 Fair CLR 48.9 18 29% 47 30.27 1026.6
20 17:56 NW 9 10.00 Mostly Cloudy BKN080 52 19 27% 30.25 1026.0
20 16:56 NW 15 G 25 10.00 Partly Cloudy SCT080 52 19 27% 30.23 1025.1
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)