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.
01 23:56 Calm 10.00 A Few Clouds FEW070 81 79 94% 89 30.05 1018.4
01 22:56 Calm 10.00 Mostly Cloudy BKN060 82 75.9 82% 89 30.04 1018.1
01 21:56 Calm 10.00 Mostly Cloudy BKN060 82 77 85% 90 30.03 1017.7
01 20:56 Calm 10.00 Fair CLR 84 75.9 77% 93 30.03 1017.6
01 19:56 Calm 10.00 Fair CLR 90 73 97 90 58% 98 30.02 1017.2
01 18:56 NW 7 10.00 Fair CLR 93 73 52% 102 30.01 1017.0
01 17:56 W 7 10.00 Fair CLR 95 72 47% 103 30.01 1017.0
01 16:56 NW 6 10.00 A Few Clouds FEW055 93.9 73.9 52% 104 30.02 1017.4
01 15:56 W 7 10.00 Mostly Cloudy BKN055 95 75.9 54% 108 30.03 1017.7
01 14:56 W 7 10.00 Mostly Cloudy SCT050 BKN065 93.9 75.9 56% 107 30.04 1018.0
01 13:56 Vrbl 3 10.00 Partly Cloudy SCT042 93.9 77 93.9 77 58% 108 30.05 1018.2
01 12:56 W 3 10.00 Mostly Cloudy BKN040 90 75.9 63% 102 30.06 1018.6
01 11:56 NW 5 10.00 Fair CLR 90 75.9 63% 102 30.06 1018.6
01 10:56 NW 6 10.00 Fair CLR 88 75.9 68% 99 30.06 1018.8
01 09:56 W 5 10.00 Fair CLR 84 73 70% 90 30.07 1019.1
01 08:56 SW 5 10.00 Fair CLR 80.1 70 71% 83 30.08 1019.3
01 07:56 SW 6 10.00 Fair CLR 77 68 78.1 73.9 74% 79 30.08 1019.3
01 06:56 S 3 10.00 Fair CLR 75 66 74% 76 30.07 1019.2
01 05:56 Calm 10.00 Fair CLR 73.9 66 76% 30.07 1019.0
01 04:56 S 3 10.00 Fair CLR 73.9 64.9 74% 30.07 1019.2
01 03:56 Calm 10.00 Fair CLR 75 64 69% 77 30.07 1018.9
01 02:56 S 5 10.00 A Few Clouds FEW049 75.9 64 67% 78 30.07 1019.0
01 01:56 S 6 10.00 A Few Clouds FEW048 77 64 84.9 77 64% 79 30.07 1019.1
01 00:56 S 6 10.00 Fair CLR 78.1 64 62% 80 30.09 1019.6
30 23:56 S 6 10.00 A Few Clouds FEW055 79 63 58% 81 30.09 1019.9
30 22:56 S 7 10.00 Mostly Cloudy BKN060 80.1 63 56% 81 30.09 1019.9
30 21:56 SE 6 10.00 Fair CLR 81 63 54% 82 30.07 1019.2
30 20:56 S 9 10.00 Fair CLR 82 63 53% 83 30.06 1018.6
30 19:56 S 7 10.00 Fair CLR 84.9 64.9 91 84.9 51% 87 30.05 1018.5
30 18:56 S 8 10.00 Fair CLR 88 66.9 50% 91 30.05 1018.3
30 17:56 S 10 10.00 Fair CLR 89.1 69.1 52% 94 30.07 1019.1
30 16:56 SW 7 10.00 A Few Clouds FEW048 90 70 52% 95 30.09 1019.7
30 15:56 Vrbl 7 10.00 Fair CLR 90 70 52% 95 30.1 1020.0
30 14:56 Vrbl 3 10.00 Fair CLR 89.1 69.1 52% 94 30.12 1020.6
30 13:56 S 12 10.00 Fair CLR 89.1 66.9 89.1 75 48% 92 30.13 1021.2
30 12:56 SW 8 10.00 Fair CLR 88 68 52% 92 30.15 1021.9
30 11:56 SE 6 10.00 Fair CLR 84.9 68 57% 88 30.16 1022.3
30 10:56 S 7 10.00 Fair CLR 84 66.9 57% 87 30.17 1022.5
30 09:56 SW 5 10.00 Fair CLR 82 70 67% 86 30.18 1022.7
30 08:56 S 6 10.00 Fair CLR 78.1 70 76% 80 30.18 1023.0
30 07:56 S 5 10.00 Fair CLR 75 72 75 66 90% 74 30.18 1022.7
30 06:56 Calm 9.00 Fair CLR 68 0 0% 30.17 1022.6
30 05:56 Calm 6.00 Fair with Haze CLR 66.2 0 0% 30.16 1022.3
30 04:56 Calm 7.00 Fair CLR 66.2 0 0% 30.15 1022.0
30 03:56 Calm 10.00 Fair CLR 68 0 0% 30.15 1021.9
30 02:56 SE 5 10.00 Fair CLR 70 70 100% 30.15 1021.8
30 01:56 SE 5 10.00 Fair CLR 70 70 79 69.1 100% 30.17 1022.3
30 00:56 SE 5 10.00 Fair CLR 71.1 69.1 94% 30.16 1022.2
29 23:56 Calm 10.00 Fair CLR 69.1 69.1 100% 30.16 1022.3
29 22:56 Calm 10.00 Fair CLR 71.1 69.1 94% 30.16 1022.0
29 21:56 SE 5 10.00 Fair CLR 73 68 84% 30.14 1021.6
29 20:56 SE 3 10.00 Fair CLR 75 66 74% 76 30.13 1021.2
29 19:56 Calm 10.00 Mostly Cloudy BKN085 79 64.9 88 79 62% 81 30.13 1021.0
29 18:56 SE 6 10.00 Overcast OVC090 82.9 64.9 55% 85 30.13 1021.0
29 17:56 Vrbl 3 10.00 Partly Cloudy SCT100 84.9 64.9 51% 87 30.13 1021.2
29 16:56 Vrbl 5 10.00 Fair CLR 86 68 55% 89 30.12 1020.7
29 15:56 Vrbl 3 10.00 Mostly Cloudy BKN047 BKN060 82.9 68 61% 86 30.12 1020.8
29 14:56 SE 7 10.00 A Few Clouds FEW050 86 70 59% 91 30.12 1020.9
29 13:56 Vrbl 3 10.00 Mostly Cloudy BKN060 84.9 72 86 71.1 65% 91 30.13 1021.1
29 12:56 Vrbl 5 10.00 Mostly Cloudy FEW031 BKN060 84.9 71.1 63% 90 30.14 1021.2
29 11:56 Calm 10.00 Partly Cloudy FEW025 SCT060 82 70 67% 86 30.14 1021.6
29 10:56 Calm 10.00 Overcast SCT016 OVC060 79 71.1 77% 82 30.14 1021.5
29 09:56 Vrbl 3 10.00 Overcast OVC055 75.9 75 97% 75 30.14 1021.6
29 08:56 Calm 9.00 Overcast OVC049 71.6 0 0% 30.13 1021.5
29 07:56 Calm 8.00 Overcast OVC045 71.6 0 71.1 68 0% 30.12 1020.8
29 06:56 Calm 7.00 Overcast OVC047 71.6 0 0% 30.08 1019.7
29 05:56 Calm 3.00 Fog/Mist OVC045 69.8 0 0% 30.07 1019.3
29 04:56 Calm 6.00 Overcast with Haze OVC043 69.8 0 0% 30.04 1018.3
29 03:56 Calm 6.00 Overcast with Haze FEW018 OVC043 69.8 0 0% 30.04 1018.3
29 02:56 Calm 1.00 Fog/Mist CLR 68 0 0% 30.04 1018.4
29 01:56 Calm 3.00 Fog/Mist BKN021 OVC110 69.8 0 75 70 0% 30.04 1018.4
29 00:56 Calm 4.00 Overcast with Haze OVC043 71.6 0 0% 30.05 1018.7
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)