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.
13 06:56 Calm 10.00 Fair CLR 53.6 0 0% 30.18 1023.2
13 05:56 Calm 9.00 Fair CLR 53.6 0 0% 30.17 1022.8
13 04:56 Calm 10.00 Fair CLR 55.4 0 0% 30.17 1022.7
13 03:56 Calm 10.00 Fair CLR 55.4 0 0% 30.18 1023.0
13 02:56 Calm 10.00 Fair CLR 55.4 0 0% 30.18 1023.0
13 01:56 Calm 10.00 Fair CLR 55.4 0 68 55.9 0% 30.18 1023.1
13 00:56 Calm 10.00 Fair CLR 57.2 0 0% 30.19 1023.4
12 23:56 Calm 10.00 Fair CLR 57.2 0 0% 30.19 1023.3
12 22:56 Calm 10.00 Fair CLR 59 59 100% 30.19 1023.4
12 21:56 Calm 10.00 Fair CLR 61 61 100% 30.19 1023.3
12 20:56 Calm 10.00 Fair CLR 64.9 57.9 78% 30.19 1023.6
12 19:56 Calm 10.00 Fair CLR 68 55.9 82 68 65% 30.19 1023.5
12 18:56 Calm 10.00 Fair CLR 73 55 53% 30.19 1023.2
12 17:56 SE 7 10.00 Fair CLR 78.1 53.1 42% 79 30.19 1023.1
12 16:56 Vrbl 3 10.00 Fair CLR 80.1 54 41% 80 30.19 1023.1
12 15:56 SE 5 10.00 Fair CLR 81 52 37% 80 30.19 1023.3
12 14:56 Vrbl 5 10.00 Partly Cloudy SCT065 81 52 37% 80 30.2 1023.6
12 13:56 Vrbl 3 10.00 A Few Clouds FEW060 82 54 82 57.9 38% 81 30.21 1024.0
12 12:56 Vrbl 3 10.00 Fair CLR 81 55.9 42% 81 30.22 1024.3
12 11:56 Vrbl 5 10.00 Fair CLR 79 54 42% 79 30.24 1024.8
12 10:56 Vrbl 3 10.00 Fair CLR 75.9 57 52% 78 30.24 1025.0
12 09:56 Calm 10.00 Fair CLR 71.1 57.9 63% 30.24 1025.0
12 08:56 Calm 10.00 Fair CLR 64 61 90% 30.23 1024.6
12 07:56 Calm 10.00 Fair CLR 57.2 0 57.9 55 0% 30.22 1024.5
12 06:56 Calm 9.00 Fair CLR 55.4 0 0% 30.2 1023.8
12 05:56 Calm 10.00 Fair CLR 57.2 0 0% 30.19 1023.4
12 04:56 Calm 0.75 Fog/Mist CLR 57.2 0 0% 30.18 1023.1
12 03:56 Calm 4.00 Fair with Haze CLR 57.2 0 0% 30.17 1022.9
12 02:56 Calm 1.00 Fog/Mist CLR 57.2 0 0% 30.18 1023.1
12 01:56 Calm 3.00 Fog/Mist CLR 57.2 0 66.9 57.9 0% 30.17 1022.8
12 00:56 Calm 9.00 Fair CLR 57.2 0 0% 30.17 1022.8
11 23:56 Calm 10.00 Fair CLR 59 0 0% 30.17 1022.6
11 22:56 Calm 10.00 Fair CLR 60.8 0 0% 30.17 1022.7
11 21:56 Calm 10.00 Fair CLR 62.6 0 0% 30.16 1022.6
11 20:56 SE 3 10.00 Fair CLR 64.9 64.9 100% 30.16 1022.3
11 19:56 Calm 5.00 Fog/Mist CLR 66 64.9 81 66 96% 30.14 1021.9
11 18:56 SE 6 10.00 Fair CLR 73 61 66% 30.14 1021.5
11 17:56 Vrbl 3 10.00 A Few Clouds FEW065 77 60.1 56% 79 30.13 1021.4
11 16:56 Calm 10.00 Mostly Cloudy BKN060 BKN095 73.9 63 69% 30.14 1021.4
11 15:56 Vrbl 3 10.00 Overcast FEW060 OVC085 75.9 64.9 69% 78 30.14 1021.7
11 14:56 Calm 10.00 Overcast BKN039 BKN070 OVC085 77 63 62% 79 30.15 1021.9
11 13:56 Calm 10.00 Mostly Cloudy FEW049 BKN080 78.1 62.1 78.1 63 58% 80 30.16 1022.3
11 12:56 Calm 10.00 Mostly Cloudy FEW032 BKN075 75.9 61 60% 78 30.17 1022.7
11 11:56 NW 7 10.00 Mostly Cloudy SCT035 BKN043 BKN050 77 64 64% 79 30.18 1023.0
11 10:56 W 3 10.00 Fair CLR 75 64.9 71% 77 30.19 1023.4
11 09:56 Calm 10.00 Overcast OVC085 68 68 100% 30.18 1023.2
11 08:56 NW 3 10.00 Overcast OVC085 66.2 0 0% 30.17 1022.9
11 07:56 Calm 6.00 Overcast with Haze OVC080 62.6 0 64 60.1 0% 30.17 1022.6
11 06:56 Calm 1.25 Fog/Mist FEW002 OVC080 60.8 0 0% 30.15 1022.0
11 05:56 Calm 0.75 Fog/Mist FEW003 62.6 0 0% 30.14 1021.6
11 04:56 Calm 6.00 Overcast with Haze FEW003 OVC075 62.6 0 0% 30.13 1021.5
11 03:56 Calm 9.00 Overcast FEW003 OVC070 62.6 0 0% 30.14 1021.7
11 01:56 NW 5 10.00 Overcast FEW004 OVC060 64.4 0 68 64 0% 30.15 1022.1
11 00:56 Vrbl 3 10.00 Overcast OVC047 64.4 0 0% 30.15 1022.0
10 23:56 Calm 4.00 Rain OVC043 64.4 0 0% 30.16 1022.4
10 22:56 Calm 10.00 Light Rain SCT008 OVC036 64.4 0 0% 30.16 1022.4
10 21:56 Calm 10.00 Overcast BKN006 OVC035 64.4 0 0% 30.15 1022.1
10 20:56 Calm 10.00 Overcast BKN037 OVC049 66.2 0 0% 30.15 1022.1
10 19:56 Calm 10.00 Overcast BKN035 OVC055 66.9 66.9 70 64.9 100% 30.14 1021.8
10 18:56 Calm 10.00 Overcast BKN031 OVC055 68 68 100% 30.13 1021.6
10 17:56 Calm 10.00 Overcast OVC029 70 66.9 90% 30.14 1021.8
10 16:56 Calm 10.00 Overcast OVC021 70 64.9 84% 30.14 1021.8
10 15:56 Calm 10.00 Overcast OVC019 69.1 66 90% 30.15 1022.1
10 14:56 Vrbl 3 10.00 Overcast SCT014 OVC019 68 64.9 90% 30.17 1022.7
10 13:56 Vrbl 3 10.00 Overcast OVC009 64.9 64.9 66 57.9 100% 30.19 1023.4
10 12:56 Vrbl 3 10.00 Overcast OVC009 64.4 0 0% 30.19 1023.7
10 11:56 Calm 4.00 Light Rain OVC005 62.6 0 0% 30.2 1024.1
10 10:56 Calm 5.00 Overcast with Haze OVC007 62.6 0 0% 30.21 1024.3
10 09:56 Vrbl 3 3.00 Fog/Mist OVC005 60.8 0 0% 30.21 1024.3
10 08:56 Vrbl 3 4.00 Overcast with Haze OVC005 59 0 0% 30.2 1024.1
10 07:56 Calm 2.00 Light Rain OVC005 57.2 0 60.1 57.9 0% 30.21 1024.3
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)