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.
27 16:56 W 3 10.00 Partly Cloudy SCT047 84 68 59% 87 29.82 1010.5
27 15:56 W 7 10.00 Fair CLR 84.9 68 57% 88 29.82 1010.5
27 14:56 Vrbl 5 10.00 Fair CLR 84 66 55% 86 29.85 1011.6
27 13:56 Vrbl 3 10.00 Fair CLR 84.9 68 84.9 71.1 57% 88 29.86 1012.1
27 12:56 NW 5 10.00 Mostly Cloudy BKN037 82 68 63% 85 29.88 1012.6
27 11:56 Vrbl 3 10.00 A Few Clouds FEW095 82 68 63% 85 29.89 1013.0
27 10:56 Vrbl 3 10.00 Fair CLR 81 69.1 67% 84 29.89 1013.1
27 08:56 Calm 10.00 Fair CLR 75.9 66.9 74% 77 29.89 1012.9
27 07:56 NW 3 10.00 Fair CLR 71.1 70 75 68 96% 29.89 1013.0
27 06:56 Calm 8.00 Fair CLR 68 0 0% 29.88 1012.8
27 05:56 Calm 9.00 A Few Clouds FEW060 68 0 0% 29.86 1012.1
27 04:56 Calm 10.00 A Few Clouds FEW065 69.8 0 0% 29.86 1011.9
27 03:56 Calm 10.00 Overcast BKN060 OVC080 71.1 71.1 100% 29.86 1012.0
27 02:56 W 5 8.00 Overcast BKN065 OVC085 73 71.1 94% 29.86 1012.0
27 01:56 SW 3 10.00 Overcast OVC060 75 70 78.1 73 84% 75 29.88 1012.4
27 00:56 S 3 10.00 Overcast SCT050 OVC060 75.9 69.1 79% 77 29.89 1012.8
26 23:56 S 3 10.00 Overcast BKN060 OVC080 75 69.1 82% 75 29.89 1012.9
26 22:56 S 3 10.00 Partly Cloudy SCT070 73 69.1 87% 29.89 1012.9
26 21:56 SE 3 10.00 Partly Cloudy FEW060 SCT090 73 69.1 87% 29.89 1013.2
26 20:56 Vrbl 3 10.00 Overcast OVC085 77 66.9 71% 79 29.88 1012.6
26 19:56 Calm 10.00 Overcast OVC080 78.1 64 86 78.1 62% 80 29.86 1012.2
26 18:56 Calm 10.00 Overcast BKN085 OVC100 79 66 65% 81 29.87 1012.4
26 17:56 Vrbl 5 10.00 Mostly Cloudy FEW065 SCT085 BKN110 82 64 55% 84 29.88 1012.6
26 16:56 NW 6 10.00 Overcast OVC080 81 64.9 58% 83 29.88 1012.9
26 15:56 Vrbl 3 10.00 Partly Cloudy FEW044 SCT055 SCT075 84 68 59% 87 29.88 1012.7
26 14:56 Calm 8.00 Mostly Cloudy BKN040 BKN080 82.9 68 61% 86 29.9 1013.3
26 13:56 W 5 10.00 Overcast BKN034 BKN043 OVC060 80.1 66.9 82.9 68 64% 82 29.92 1014.2
26 12:56 Calm 10.00 Overcast SCT034 SCT047 OVC060 81 68 65% 84 29.93 1014.6
26 11:56 W 6 10.00 Overcast BKN029 OVC060 78.1 66.9 69% 80 29.95 1015.1
26 09:56 SE 5 10.00 Overcast OVC048 73 66 79% 29.98 1016.1
26 08:56 SE 3 10.00 Fair CLR 72 64.9 79% 29.98 1016.3
26 07:56 SE 3 10.00 Fair CLR 68 64 68 63 87% 29.98 1016.2
26 06:56 Calm 10.00 Fair CLR 64 64 100% 29.98 1016.1
26 05:56 Calm 10.00 Overcast OVC080 64.9 62.1 90% 29.97 1015.9
26 04:56 Calm 10.00 Overcast OVC080 66 62.1 87% 29.97 1015.9
26 03:56 Calm 10.00 Overcast BKN060 OVC085 64 64 100% 29.96 1015.8
26 02:56 Calm 10.00 Mostly Cloudy SCT060 BKN090 64 64 100% 29.98 1016.2
26 01:56 Calm 10.00 Partly Cloudy SCT060 64.9 63 77 64.9 93% 29.99 1016.6
26 00:56 SE 5 10.00 Mostly Cloudy BKN090 66.9 61 81% 30 1016.8
25 23:56 S 3 10.00 Fair CLR 70 59 68% 30.01 1017.2
25 22:56 SE 6 10.00 Mostly Cloudy BKN100 70 60.1 71% 30.02 1017.4
25 21:56 Vrbl 3 10.00 Overcast OVC046 72 61 68% 30.02 1017.8
25 20:56 Calm 10.00 Overcast OVC042 73.9 60.1 62% 30.01 1017.3
25 19:56 Calm 10.00 Mostly Cloudy BKN037 BKN050 77 63 82 75.9 62% 79 30.01 1017.3
25 18:56 W 3 10.00 Mostly Cloudy SCT042 BKN050 81 64 57% 83 30.02 1017.4
25 17:56 NW 3 10.00 A Few Clouds FEW048 78.1 64 62% 80 30.03 1017.8
25 16:56 SW 5 10.00 Overcast BKN035 OVC045 77 64 64% 79 30.04 1018.1
25 15:56 Calm 10.00 Overcast OVC046 80.1 63 56% 81 30.05 1018.7
25 14:56 Calm 10.00 Overcast OVC044 79 61 54% 80 30.06 1018.9
25 13:56 Calm 10.00 Overcast OVC044 79 63 82 66.9 58% 81 30.08 1019.6
25 12:56 SE 7 10.00 Mostly Cloudy BKN039 79 62.1 56% 80 30.1 1020.2
25 11:56 Calm 10.00 Fair CLR 77 62.1 60% 79 30.11 1020.7
25 10:56 SE 7 10.00 Mostly Cloudy BKN032 75 61 62% 77 30.12 1020.9
25 09:56 Calm 10.00 Overcast SCT023 BKN029 OVC070 71.1 63 76% 30.14 1021.8
25 08:56 Calm 10.00 A Few Clouds FEW025 70 64.9 84% 30.15 1022.1
25 07:56 Calm 10.00 Overcast OVC060 66.9 66 68 64.9 97% 30.16 1022.2
25 06:56 NW 5 10.00 Overcast OVC060 66 66 100% 30.15 1022.2
25 05:56 Calm 10.00 Overcast FEW018 SCT050 OVC085 66 66 100% 30.14 1021.7
25 04:56 W 5 10.00 Overcast BKN027 OVC080 68 63 84% 30.14 1021.5
25 03:56 Calm 10.00 Overcast SCT041 BKN060 OVC090 66.9 62.1 84% 30.13 1021.4
25 02:56 Calm 10.00 Overcast BKN037 BKN048 OVC060 66.9 63 87% 30.14 1021.8
25 01:56 Calm 10.00 Overcast FEW060 OVC095 66.9 60.1 72 66 79% 30.16 1022.2
25 00:56 Calm 10.00 Overcast FEW075 OVC095 66.9 60.1 79% 30.18 1022.9
24 23:56 Calm 10.00 Mostly Cloudy BKN070 BKN100 66 59 78% 30.18 1022.9
24 22:56 Calm 10.00 Mostly Cloudy BKN100 66.9 57.9 73% 30.18 1022.9
24 21:56 Calm 10.00 Fair CLR 68 57.9 70% 30.18 1022.9
24 20:56 Calm 10.00 Mostly Cloudy BKN090 69.1 59 70% 30.17 1022.8
24 19:56 E 3 10.00 A Few Clouds FEW090 71.1 57.9 81 71.1 63% 30.17 1022.6
24 18:56 Vrbl 3 10.00 Fair CLR 75 60.1 60% 77 30.16 1022.3
24 17:56 Calm 10.00 Fair CLR 75.9 61 60% 78 30.18 1022.9
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)