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.
28 18:56 Calm 10.00 Fair CLR 80.1 68 67% 83 30.06 1018.9
28 17:56 Vrbl 3 10.00 Fair CLR 82.9 68 61% 86 30.06 1018.8
28 16:56 Calm 10.00 A Few Clouds FEW065 81 69.1 67% 84 30.05 1018.5
28 15:56 Vrbl 5 10.00 Mostly Cloudy SCT047 BKN055 BKN100 82 69.1 65% 85 30.05 1018.3
28 14:56 Vrbl 6 10.00 Partly Cloudy FEW043 SCT050 86 69.1 57% 90 30.04 1018.2
28 13:56 Vrbl 3 8.00 Partly Cloudy SCT034 84.9 71.1 84.9 70 63% 90 30.06 1018.6
28 12:56 Vrbl 3 10.00 A Few Clouds FEW120 82 71.1 69% 86 30.06 1018.8
28 11:56 Vrbl 5 10.00 A Few Clouds FEW120 82.9 71.1 67% 88 30.07 1019.1
28 10:56 NW 3 10.00 Fair CLR 79 72 79% 82 30.07 1019.3
28 09:56 NW 6 10.00 Partly Cloudy SCT100 75.9 73 91% 76 30.06 1018.7
28 08:56 NW 6 10.00 Mostly Cloudy BKN009 71.1 71.1 100% 30.04 1018.2
28 07:56 W 3 10.00 Overcast SCT009 BKN013 OVC090 69.8 0 70 68 0% 30.02 1017.6
28 06:56 Calm 9.00 Mostly Cloudy FEW007 BKN090 68 0 0% 30 1016.6
28 05:56 Calm 9.00 Fair CLR 68 0 0% 29.98 1016.1
28 04:56 NW 3 9.00 Partly Cloudy SCT016 69.8 0 0% 29.98 1016.1
28 03:56 Calm 10.00 Overcast OVC016 69.8 0 0% 29.98 1015.9
28 02:56 Calm 10.00 Overcast OVC018 68 0 0% 29.98 1016.1
28 01:56 Calm 10.00 Fair CLR 68 0 75.9 66.9 0% 29.98 1016.1 0.53
28 00:56 Calm 10.00 A Few Clouds FEW016 68 0 0% 29.99 1016.5
27 23:56 Calm 7.00 Fair CLR 68 0 0% 29.98 1016.1
27 22:56 Calm 9.00 Fair CLR 69.8 0 0% 29.97 1015.9 0.53
27 21:56 SE 9 10.00 Thunderstorm in Vicinity CLR 71.1 71.1 100% 29.98 1016.1
27 20:56 Vrbl 3 10.00 Thunderstorm in Vicinity Light Rain FEW110 69.1 68 96% 29.96 1015.7 0.53
27 19:56 NW 12 10.00 Thunderstorm Light Rain FEW027 BKN035 BKN048 75.9 69.1 89.1 75.9 79% 77 29.99 1016.3 0.01 0.01
27 18:56 S 10 G 16 9.00 Fair CLR 82 70 67% 86 29.95 1014.9
27 17:56 S 9 10.00 A Few Clouds FEW044 82.9 69.1 63% 87 29.94 1014.6
27 16:56 S 12 G 17 10.00 A Few Clouds FEW039 84.9 70 61% 89 29.93 1014.3
27 15:56 S 12 10.00 Mostly Cloudy BKN037 BKN046 BKN055 86 72 63% 92 29.95 1015.0
27 14:56 S 9 10.00 Partly Cloudy SCT037 SCT050 88 71.1 57% 94 29.97 1015.6
27 13:56 Vrbl 7 10.00 Partly Cloudy SCT033 87.1 72 87.1 73.9 61% 94 29.98 1016.1
27 12:56 S 7 10.00 A Few Clouds FEW065 84.9 72 65% 91 30 1016.7
27 11:56 S 7 10.00 Fair CLR 82.9 72 70% 88 30.01 1017.0
27 10:56 SW 3 10.00 A Few Clouds FEW055 77 73 88% 78 30.03 1017.6
27 09:56 S 3 10.00 Light Rain OVC055 75 72 90% 74 30.02 1017.5
27 08:56 W 7 10.00 Mostly Cloudy BKN050 BKN070 75 71.1 88% 75 30.02 1017.4
27 07:56 S 7 10.00 Overcast BKN060 OVC070 73.9 71.1 73.9 71.1 91% 30.02 1017.4
27 06:56 S 5 10.00 A Few Clouds FEW100 72 72 100% 30.01 1017.0
27 05:56 Calm 10.00 Mostly Cloudy FEW065 BKN100 72 71.1 97% 30.01 1016.9
27 04:56 S 6 10.00 Overcast BKN085 OVC110 73 70 90% 30.01 1017.0
27 03:56 SE 7 10.00 Overcast OVC095 73 69.1 87% 30.01 1017.1
27 02:56 S 7 10.00 Overcast OVC090 73 69.1 87% 30.02 1017.4
27 01:56 S 6 10.00 Overcast BKN060 OVC080 73 68 77 72 84% 30.03 1017.8
27 00:56 SE 8 10.00 Fair CLR 73 66 79% 30.04 1017.8
26 23:56 SE 8 10.00 Fair CLR 73.9 64.9 74% 30.04 1018.0
26 22:56 SE 7 10.00 Fair CLR 73.9 64 71% 30.05 1018.2
26 21:56 SE 6 10.00 Fair CLR 73 64 74% 30.05 1018.3
26 20:56 SE 6 10.00 Fair CLR 75.9 63 64% 78 30.04 1018.1
26 19:56 SE 7 10.00 Fair CLR 77 62.1 86 77 60% 79 30.02 1017.5
26 18:56 S 6 10.00 Fair CLR 80.1 63 56% 81 30.03 1017.9
26 17:56 S 7 10.00 Fair CLR 81 63 54% 82 30.05 1018.6
26 16:56 S 7 10.00 Partly Cloudy SCT050 82.9 62.1 49% 84 30.05 1018.7
26 15:56 S 8 10.00 Mostly Cloudy BKN060 84 63 49% 85 30.05 1018.6
26 14:56 S 10 G 20 10.00 Mostly Cloudy BKN060 84 60.1 44% 84 30.07 1019.2
26 13:56 SW 8 8.00 A Few Clouds FEW055 84 60.1 84.9 64 44% 84 30.08 1019.7
26 12:56 S 9 10.00 Fair CLR 84 61 46% 84 30.1 1020.3
26 11:56 SW 7 10.00 Partly Cloudy SCT070 81 63 54% 82 30.12 1021.0
26 10:56 Vrbl 6 10.00 A Few Clouds FEW075 81 62.1 53% 82 30.13 1021.1
26 09:56 Calm 10.00 Fair CLR 75.9 64 67% 78 30.12 1021.2
26 08:56 Calm 10.00 Fair CLR 69.1 66.9 93% 30.13 1021.2
26 07:56 Calm 10.00 A Few Clouds FEW070 64.4 0 64 59 0% 30.12 1021.0
26 06:56 Calm 10.00 Fair CLR 60.8 0 0% 30.11 1020.7
26 05:56 Calm 10.00 Fair CLR 60.8 0 0% 30.1 1020.3
26 04:56 Calm 10.00 Fair CLR 60.1 60.1 100% 30.1 1020.4
26 03:56 Calm 10.00 Fair CLR 60.8 0 0% 30.11 1020.6
26 02:56 Calm 10.00 Mostly Cloudy BKN055 60.8 0 0% 30.1 1020.5
26 01:56 Calm 10.00 Fair CLR 60.8 0 73 61 0% 30.11 1020.8
26 00:56 Calm 10.00 Fair CLR 62.6 0 0% 30.12 1021.0
25 23:56 Calm 10.00 Mostly Cloudy BKN060 63 63 100% 30.11 1020.9
25 22:56 Calm 10.00 Fair CLR 64.4 0 0% 30.1 1020.3
25 21:56 Calm 10.00 Fair CLR 66 64.9 96% 30.11 1020.5
25 20:56 Calm 10.00 Partly Cloudy SCT080 69.1 63 81% 30.09 1019.9
25 19:56 Calm 10.00 Overcast OVC075 73 62.1 82 73 69% 30.08 1019.5
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)