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.
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
24 16:56 Calm 10.00 Fair CLR 79 60.1 52% 80 30.17 1022.6
24 15:56 Calm 10.00 Fair CLR 80.1 60.1 51% 81 30.18 1022.8
24 14:56 Vrbl 5 10.00 Fair CLR 80.1 57.9 47% 81 30.19 1023.2
24 13:56 Calm 10.00 Fair CLR 78.1 59 80.1 66 52% 79 30.2 1023.8
24 12:56 Vrbl 3 10.00 Mostly Cloudy BKN049 77 61 58% 79 30.22 1024.3
24 11:56 Vrbl 5 10.00 Mostly Cloudy BKN046 79 61 54% 80 30.23 1024.9
24 10:56 Vrbl 3 10.00 A Few Clouds FEW043 75.9 60.1 58% 78 30.24 1025.1
24 09:56 Vrbl 5 10.00 Fair CLR 75 64 69% 77 30.25 1025.3
24 08:56 Vrbl 3 10.00 Fair CLR 70 62.1 76% 30.24 1025.1
24 07:56 Calm 10.00 Fair CLR 66 61 66 55 84% 30.24 1025.2
24 06:56 Calm 10.00 Fair CLR 57.2 0 0% 30.23 1024.8
24 05:56 Calm 10.00 Fair CLR 55.4 0 0% 30.22 1024.2
24 04:56 Calm 10.00 Fair CLR 55.9 55.9 100% 30.21 1024.2
24 03:56 Calm 10.00 Fair CLR 57 57 100% 30.21 1024.0
24 02:56 Calm 10.00 Fair CLR 57.2 0 0% 30.2 1023.9
24 01:56 Calm 10.00 Fair CLR 59 59 73 59 100% 30.21 1023.9
24 00:56 Calm 10.00 Fair CLR 60.1 57 90% 30.21 1023.9
23 23:56 Calm 10.00 Fair CLR 61 61 100% 30.21 1024.0
23 22:56 Calm 10.00 Fair CLR 63 57 81% 30.21 1023.8
23 21:56 Calm 10.00 Fair CLR 66 55 68% 30.2 1023.5
23 20:56 Calm 10.00 Fair CLR 66.9 55 66% 30.18 1023.1
23 19:56 Calm 10.00 Fair CLR 73 57.9 82 73 59% 30.17 1022.7
23 18:56 Calm 10.00 Fair CLR 78.1 54 43% 79 30.17 1022.7
23 17:56 Calm 10.00 Fair CLR 80.1 54 41% 80 30.17 1022.7
23 16:56 Vrbl 3 10.00 Fair CLR 80.1 52 38% 80 30.17 1022.7
23 15:56 Vrbl 5 10.00 Fair CLR 79 52 39% 79 30.17 1022.6
23 14:56 Calm 10.00 Fair CLR 79 52 39% 79 30.17 1022.7
23 13:56 NW 5 10.00 Fair CLR 78.1 54 78.1 64 43% 79 30.18 1022.9
23 12:56 Vrbl 3 10.00 Fair CLR 77 55 47% 78 30.19 1023.3
23 11:56 Calm 10.00 Fair CLR 75 53.1 46% 78 30.2 1023.5
23 10:56 Calm 10.00 A Few Clouds FEW042 73.9 55.9 54% 30.2 1023.5
23 09:56 Vrbl 3 10.00 Fair CLR 71.1 55.9 59% 30.19 1023.4
23 08:56 Vrbl 3 10.00 Fair CLR 66.9 55.9 68% 30.18 1023.0
23 07:56 Calm 10.00 Fair CLR 64 57 68 59 78% 30.17 1022.7
23 06:56 Calm 10.00 Fair CLR 60.1 57.9 93% 30.14 1021.7
23 05:56 Calm 10.00 Fair CLR 59 57 93% 30.11 1020.7
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)