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.
03 11:56 Vrbl 3 10.00 Overcast BKN090 OVC110 61 55 81% 30.27 1026.4
03 10:56 Calm 10.00 Overcast FEW070 BKN090 OVC100 57.9 57 97% 30.28 1026.5 0.01 0.06
03 09:56 Calm 9.00 Light Rain OVC100 55.9 55.9 100% 30.27 1026.1 0.04
03 08:56 Calm 10.00 Light Rain OVC100 57 57 100% 30.25 1025.7 0.01
03 07:56 Calm 10.00 Light Rain FEW065 OVC100 55.9 55.9 64.9 55.9 100% 30.23 1025.0 0.03
03 06:56 Calm 10.00 Light Rain OVC100 55.9 55.9 100% 30.2 1024.0
03 05:56 Calm 10.00 Light Rain FEW120 55.9 55.9 100% 30.19 1023.2 0.01
03 04:56 Calm 10.00 Light Rain SCT065 SCT080 BKN090 55.9 55.9 100% 30.18 1023.0 0.02 0.02
03 03:56 Calm 10.00 Light Rain FEW110 57.9 51.1 78% 30.15 1021.9
03 02:56 Vrbl 3 10.00 Overcast OVC030 61 55 81% 30.13 1021.2
03 01:56 Calm 10.00 Overcast SCT028 BKN034 OVC110 64.4 0 71.1 64.9 0% 30.12 1020.8 0.01
03 00:56 Calm 10.00 Overcast FEW023 BKN037 OVC085 64.4 0 0% 30.12 1020.8
02 23:56 Calm 9.00 Overcast OVC026 66.2 0 0% 30.11 1020.5 0.01
02 22:56 Calm 10.00 Light Rain OVC041 68 68 100% 30.09 1019.9
02 20:56 Calm 8.00 Partly Cloudy SCT085 SCT120 71.6 0 0% 30.04 1018.2
02 19:56 Calm 9.00 Overcast BKN055 OVC075 71.6 0 88 71.1 0% 30.01 1017.2 0.46
02 18:56 Calm 10.00 Overcast SCT050 OVC065 71.6 0 0% 29.98 1016.4 0.46
02 17:56 Calm 9.00 Light Rain OVC055 81 70 69% 84 29.95 1015.2
02 16:56 SW 7 10.00 Overcast FEW050 OVC065 84.9 66.9 55% 88 29.95 1015.0
02 15:56 SW 9 10.00 Fair CLR 88 66.9 50% 91 29.95 1014.9
02 14:56 SW 10 10.00 Fair CLR 88 66.9 50% 91 29.95 1015.0
02 13:56 W 10 10.00 Fair CLR 86 66 86 60.1 51% 88 29.98 1015.8
02 12:56 W 8 10.00 Fair CLR 86 64 48% 87 29.99 1016.4
02 11:56 SW 7 10.00 Fair CLR 82 63 53% 83 30.02 1017.2
02 10:56 S 6 10.00 Fair CLR 80.1 64 58% 82 30.02 1017.5
02 09:56 SW 3 10.00 Fair CLR 73 63 71% 30.03 1018.0
02 08:56 W 3 10.00 Fair CLR 68 64.9 90% 30.03 1017.9
02 07:56 Calm 8.00 Fair CLR 60.1 60.1 70 57.9 100% 30.01 1017.4
02 06:56 Calm 9.00 Fair CLR 59 59 100% 30.01 1017.4
02 05:56 Calm 10.00 Fair CLR 60.8 0 0% 30 1017.0
02 04:56 Calm 10.00 Fair CLR 60.8 0 0% 30.01 1017.0
02 03:56 Calm 10.00 Fair CLR 64.9 63 93% 30.01 1017.0
02 02:56 Calm 10.00 Fair CLR 66.9 63 87% 30.02 1017.3
02 01:56 S 3 10.00 Fair CLR 70 61 75.9 70 73% 30.03 1017.6
02 00:56 S 5 10.00 Fair CLR 71.1 61 71% 30.04 1018.0
01 23:56 Vrbl 3 10.00 Fair CLR 72 61 68% 30.05 1018.5
01 22:56 Vrbl 3 10.00 Fair CLR 73 62.1 69% 30.06 1018.9
01 21:56 S 3 10.00 Fair CLR 73.9 63 69% 30.07 1019.1
01 20:56 SE 5 10.00 Fair CLR 73 63 71% 30.07 1019.3
01 19:56 SE 6 10.00 Fair CLR 75.9 62.1 87.1 75.9 62% 78 30.07 1019.1
01 18:56 S 5 10.00 Fair CLR 79 62.1 56% 80 30.06 1018.9
01 17:56 S 5 10.00 Fair CLR 84 61 46% 84 30.05 1018.6
01 16:56 SW 3 10.00 Fair CLR 86 59 40% 85 30.05 1018.7
01 15:56 Vrbl 6 10.00 Fair CLR 87.1 61 42% 87 30.07 1018.9
01 14:56 W 7 10.00 Fair CLR 82.9 62.1 49% 84 30.07 1019.1
01 13:56 SW 5 10.00 Fair CLR 84 63 84 63 49% 85 30.09 1019.8
01 12:56 W 6 10.00 Fair CLR 81 64 57% 83 30.11 1020.6
01 10:56 S 3 10.00 Fair CLR 73.9 66 76% 30.13 1021.4
01 09:56 SW 3 10.00 Fair CLR 68 66.9 96% 30.13 1021.3
01 08:56 Calm 10.00 Fair CLR 64.4 0 0% 30.12 1021.1
01 07:56 Calm 9.00 Fair CLR 63 63 64 61 100% 30.12 1021.0
01 06:56 Calm 2.50 Fog/Mist CLR 61 61 100% 30.11 1020.6
01 05:56 Calm 1.50 Fog/Mist CLR 60.8 0 0% 30.1 1020.4
01 04:56 Calm 6.00 Fair with Haze CLR 62.6 0 0% 30.1 1020.2
01 03:56 SE 5 10.00 Fair CLR 62.6 0 0% 30.09 1020.2
01 02:56 Calm 7.00 Fair CLR 63 63 100% 30.1 1020.5
01 01:56 SE 3 10.00 Fair CLR 62.6 0 66.9 62.1 0% 30.11 1020.8
01 00:56 Calm 10.00 Fair CLR 62.6 0 0% 30.12 1021.1
30 23:56 Calm 10.00 Fair CLR 62.6 0 0% 30.12 1021.2
30 22:56 Calm 10.00 Fair CLR 62.6 0 0% 30.13 1021.1
30 21:56 SE 3 10.00 Fair CLR 64 64 100% 30.12 1021.1
30 20:56 SE 3 10.00 Fair CLR 64.9 64.9 100% 30.11 1020.9
30 19:56 Calm 10.00 Fair CLR 66 66 80.1 66 100% 30.1 1020.6
30 18:56 Calm 10.00 Fair CLR 69.1 66 90% 30.1 1020.6
30 17:56 S 3 10.00 Fair CLR 77 62.1 60% 79 30.09 1020.1
30 16:56 S 3 10.00 Partly Cloudy SCT045 78.1 62.1 58% 80 30.09 1020.0
30 15:56 Vrbl 5 10.00 Partly Cloudy SCT047 79 61 54% 80 30.1 1020.1
30 14:56 S 6 10.00 Mostly Cloudy BKN047 78.1 59 52% 79 30.1 1020.2
30 13:56 Vrbl 5 10.00 Mostly Cloudy BKN047 78.1 60.1 79 57 54% 79 30.12 1020.9
30 12:56 SW 6 10.00 Mostly Cloudy BKN044 75.9 60.1 58% 78 30.14 1021.6
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)