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.
19 17:56 W 7 10.00 Partly Cloudy SCT055 84.9 66 53% 87 29.96 1015.3
19 15:56 Vrbl 7 10.00 Partly Cloudy SCT055 86 64.9 49% 88 29.95 1015.2
19 14:56 Vrbl 7 10.00 Partly Cloudy SCT055 86 64 48% 87 29.97 1015.5
19 13:56 W 8 6.00 Partly Cloudy with Haze SCT050 SCT060 84.9 66.9 84.9 66 55% 88 29.98 1015.9
19 12:56 W 9 10.00 Fair CLR 84 64.9 53% 86 29.98 1015.9
19 11:56 NW 8 10.00 Fair CLR 82 64 55% 84 29.98 1016.1
19 10:56 W 9 10.00 Fair CLR 81 63 54% 82 29.98 1015.9
19 09:56 Calm 10.00 Fair CLR 77 64.9 66% 79 29.97 1015.7
19 08:56 Vrbl 3 10.00 Fair CLR 72 66 82% 29.97 1016.0
19 07:56 Calm 10.00 Fair CLR 64.4 0 64.9 62.1 0% 29.99 1016.5
19 06:56 Calm 5.00 Fair with Haze CLR 62.6 0 0% 29.98 1016.2
19 05:56 Calm 6.00 Fog/Mist CLR 62.1 62.1 100% 29.96 1015.5
19 04:56 Calm 6.00 Fair with Haze CLR 62.6 0 0% 29.96 1015.4
19 03:56 Calm 4.00 Fair with Haze CLR 64.4 0 0% 29.95 1015.3
19 02:56 Calm 5.00 Fair with Haze CLR 64.4 0 0% 29.96 1015.3
19 01:56 Calm 9.00 Fair CLR 64.4 0 75.9 64.9 0% 29.96 1015.5
19 00:56 Calm 10.00 Fair CLR 66.2 0 0% 29.96 1015.5
18 23:56 Calm 10.00 Fair CLR 66.2 0 0% 29.96 1015.5
18 22:56 Calm 10.00 Fair CLR 68 68 100% 29.96 1015.5
18 19:56 Calm 10.00 Fair CLR 77 68 84.9 77 74% 79 29.94 1014.6
18 18:56 Calm 10.00 Fair CLR 82 66 58% 84 29.93 1014.4
18 17:56 NW 6 10.00 Partly Cloudy SCT080 82.9 66 57% 85 29.93 1014.3
18 16:56 NW 8 10.00 A Few Clouds FEW080 84 66.9 57% 87 29.93 1014.3
18 15:56 NW 8 10.00 Overcast SCT036 SCT065 OVC090 82 68 63% 85 29.93 1014.3
18 14:56 NW 9 10.00 Overcast BKN060 OVC080 82.9 71.1 67% 88 29.94 1014.7
18 13:56 NW 7 10.00 Overcast FEW032 BKN050 OVC080 82 73 84.9 72 74% 87 29.93 1014.4
18 12:56 Vrbl 5 10.00 Mostly Cloudy BKN065 BKN080 82 73.9 77% 88 29.94 1014.6
18 11:56 Vrbl 3 10.00 Overcast FEW019 OVC065 79 75.9 90% 83 29.96 1015.2
18 10:56 NW 5 10.00 Overcast SCT017 BKN024 OVC033 79 75 88% 83 29.95 1015.1
18 09:56 Vrbl 3 10.00 Mostly Cloudy FEW013 BKN095 78.1 75 90% 81 29.94 1014.7
18 08:56 Calm 10.00 Fair CLR 75.9 75.9 100% 75 29.93 1014.4
18 07:56 Calm 10.00 Fair CLR 71.6 0 72 69.1 0% 29.92 1014.2
18 06:56 Calm 9.00 Fair CLR 69.8 0 0% 29.91 1013.8
18 05:56 Calm 8.00 Fair CLR 69.8 0 0% 29.89 1013.1
18 04:56 Calm 10.00 Fair CLR 69.8 0 0% 29.88 1012.6
18 03:56 Calm 9.00 Fair CLR 69.8 0 0% 29.87 1012.3
18 02:56 Calm 8.00 Fair CLR 71.6 0 0% 29.87 1012.4
18 01:56 Calm 10.00 Fair CLR 71.6 0 75 71.1 0% 29.89 1012.8
18 00:56 Calm 10.00 Fair CLR 71.6 0 0% 29.89 1013.0
17 23:56 Calm 10.00 Fair CLR 71.6 0 0% 29.89 1013.0
17 22:56 Calm 10.00 Mostly Cloudy BKN100 71.6 0 0% 29.89 1013.0
17 21:56 Calm 10.00 Fair CLR 73.4 0 0% 29.89 1013.1
17 20:56 W 7 10.00 Fair CLR 73.9 73.9 100% 29.87 1012.2
17 19:56 W 6 10.00 A Few Clouds FEW120 75.2 0 91 75 0% 29.85 1011.6 0.03
17 18:56 Calm 10.00 Fair CLR 75.9 75.9 100% 75 29.86 1011.9 0.01
17 17:56 Vrbl 5 10.00 Thunderstorm BKN045 BKN055 OVC070 75.9 75.9 100% 75 29.87 1012.5 0.02
17 16:56 W 7 10.00 A Few Clouds FEW048 87.1 73.9 65% 95 29.85 1011.5
17 15:56 Calm 7.00 Overcast BKN044 BKN060 OVC085 88 75 66% 98 29.85 1011.7
17 14:56 Vrbl 7 10.00 Mostly Cloudy BKN040 BKN075 88 73.9 63% 97 29.87 1012.2
17 13:56 W 9 10.00 Overcast BKN039 OVC049 87.1 73.9 88 73.9 65% 95 29.88 1012.7
17 12:56 W 9 10.00 Mostly Cloudy SCT034 BKN042 87.1 75 67% 97 29.9 1013.3
17 11:56 NW 8 10.00 Mostly Cloudy SCT028 BKN034 84.9 73.9 70% 92 29.91 1013.8
17 10:56 NW 8 10.00 Partly Cloudy SCT022 82.9 75.9 79% 91 29.92 1013.9
17 09:56 NW 8 10.00 Partly Cloudy FEW016 SCT065 80.1 77 90% 86 29.91 1013.7
17 08:56 W 7 10.00 Fair CLR 77 77 100% 78 29.91 1013.6
17 07:56 W 7 10.00 Mostly Cloudy BKN100 73.4 0 75 72 0% 29.91 1013.7
17 06:56 W 6 10.00 Overcast OVC047 73.4 0 0% 29.89 1013.0
17 05:56 Calm 8.00 A Few Clouds FEW047 71.6 0 0% 29.87 1012.2
17 04:56 W 6 10.00 Mostly Cloudy SCT039 BKN065 73.4 0 0% 29.87 1012.3
17 03:56 Vrbl 3 10.00 Overcast SCT005 OVC034 73.4 0 0% 29.87 1012.4
17 02:56 Calm 9.00 Mostly Cloudy FEW005 BKN048 BKN070 73.4 0 0% 29.87 1012.3
17 01:56 SW 5 7.00 Overcast OVC003 75.2 0 75 73 0% 29.88 1012.8 0.11
17 00:56 SW 3 10.00 Mostly Cloudy FEW009 BKN070 75.2 0 0% 29.9 1013.4
16 23:56 Calm 10.00 A Few Clouds FEW110 73.4 0 0% 29.91 1013.7
16 22:56 Calm 10.00 A Few Clouds FEW070 73.4 0 0% 29.91 1013.9 0.11
16 21:56 Calm 7.00 A Few Clouds FEW005 73.4 0 0% 29.93 1014.3
16 20:56 S 6 10.00 Mostly Cloudy FEW007 SCT037 BKN100 75.2 0 0% 29.93 1014.3 0.11
16 19:56 SE 7 10.00 Thunderstorm in Vicinity Light Rain FEW016 BKN110 73.4 0 77 71.1 0% 29.93 1014.5 0.03 0.05
16 18:56 SE 8 10.00 Overcast FEW016 BKN030 OVC110 75.9 75 97% 75 29.94 1014.9
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)