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 22:56 Calm 10.00 Partly Cloudy SCT120 73.9 71.1 91% 30.1 1020.3
26 21:56 Calm 10.00 Fair CLR 75 69.1 82% 75 30.1 1020.2
26 20:56 Calm 10.00 A Few Clouds FEW048 75.9 68 77% 77 30.09 1019.7
26 19:56 Calm 10.00 Partly Cloudy SCT120 78.1 68 87.1 78.1 71% 80 30.09 1019.6
26 18:56 Calm 10.00 Fair CLR 80.1 69.1 69% 83 30.07 1019.2
26 17:56 Calm 10.00 Fair CLR 81 69.1 67% 84 30.06 1018.7
26 16:56 Calm 10.00 Fair CLR 80.1 70 71% 83 30.07 1019.2
26 15:56 Vrbl 5 10.00 Fair CLR 82.9 68 61% 86 30.07 1019.1
26 14:56 Calm 10.00 A Few Clouds FEW042 84.9 68 57% 88 30.07 1019.1
26 13:56 W 8 10.00 Fair CLR 84 66.9 84 71.1 57% 87 30.09 1019.7
26 12:56 Vrbl 6 10.00 Fair CLR 82.9 66.9 59% 86 30.1 1020.0
26 11:56 W 7 10.00 Fair CLR 82 66.9 60% 85 30.11 1020.3
26 10:56 Vrbl 5 10.00 Fair CLR 79 64.9 62% 81 30.09 1019.7
26 09:56 Calm 10.00 Mostly Cloudy BKN110 75.9 64.9 69% 78 30.09 1019.7
26 08:56 SW 3 10.00 Overcast OVC110 75 64 69% 77 30.09 1019.7
26 07:56 Calm 10.00 Partly Cloudy SCT110 71.1 66.9 75 68 87% 30.08 1019.4
26 06:56 Calm 10.00 A Few Clouds FEW060 69.1 64.9 87% 30.08 1019.3
26 05:56 Calm 10.00 Fair CLR 69.1 63 81% 30.05 1018.3
26 04:56 Vrbl 3 10.00 Fair CLR 73 62.1 69% 30.02 1017.6
26 03:56 Vrbl 3 10.00 Fair CLR 73 62.1 69% 30.02 1017.3
26 02:56 S 7 10.00 Mostly Cloudy BKN075 73.9 62.1 67% 30.02 1017.4
26 01:56 S 3 10.00 A Few Clouds FEW070 75 62.1 81 75 64% 77 30.03 1017.8
26 00:56 S 5 10.00 Partly Cloudy SCT075 75.9 62.1 62% 78 30.04 1018.0
25 23:56 S 10 10.00 Overcast BKN075 OVC090 77 61 58% 79 30.05 1018.3
25 22:56 S 9 10.00 Overcast OVC075 77 61 58% 79 30.04 1017.9
25 21:56 S 5 10.00 Fair CLR 78.1 60.1 54% 79 30.03 1017.7
25 20:56 S 6 10.00 Fair CLR 80.1 59 49% 81 30.01 1017.2
25 19:56 S 8 10.00 Fair CLR 82 59 87.1 82 46% 82 30.01 1017.0
25 18:56 S 7 10.00 Fair CLR 84 59 43% 84 30.01 1017.2
25 17:56 SW 10 10.00 Partly Cloudy SCT060 86 59 40% 85 30.02 1017.4
25 16:56 S 13 G 17 10.00 Fair CLR 86 60.1 42% 86 30.03 1017.7
25 15:56 S 9 10.00 Partly Cloudy SCT070 84.9 61 45% 85 30.04 1018.4
25 14:56 S 8 10.00 A Few Clouds FEW060 84 59 43% 84 30.05 1018.7
25 13:56 SW 10 10.00 Partly Cloudy SCT060 84.9 61 84.9 70 45% 85 30.07 1019.3
25 12:56 S 8 10.00 A Few Clouds FEW060 84 59 43% 84 30.09 1019.8
25 11:56 Vrbl 7 10.00 Fair CLR 82 60.1 47% 82 30.1 1020.2
25 10:56 Vrbl 7 10.00 Mostly Cloudy BKN080 80.1 60.1 51% 81 30.1 1020.4
25 09:56 Vrbl 7 10.00 A Few Clouds FEW080 78.1 61 56% 80 30.1 1020.4
25 08:56 SW 6 10.00 Fair CLR 73 60.1 64% 30.09 1020.1
25 07:56 S 3 10.00 Fair CLR 69.1 60.1 69.1 57.9 73% 30.08 1019.7
25 06:56 SE 6 10.00 Partly Cloudy SCT080 64.9 59 81% 30.07 1019.5
25 05:56 Calm 10.00 Partly Cloudy SCT075 60.1 60.1 100% 30.07 1019.4
25 04:56 Calm 10.00 Mostly Cloudy BKN075 60.1 60.1 100% 30.06 1019.1
25 03:56 Calm 10.00 Fair CLR 59 59 100% 30.06 1018.9
25 02:56 Calm 10.00 Fair CLR 59 59 100% 30.07 1019.1
25 01:56 Calm 10.00 Fair CLR 60.1 59 75.9 59 96% 30.07 1019.2
25 00:56 Calm 10.00 Fair CLR 60.1 60.1 100% 30.07 1019.1
24 23:56 Calm 10.00 Fair CLR 61 59 93% 30.07 1019.3
24 22:56 Calm 10.00 Fair CLR 63 59 87% 30.07 1019.2
24 21:56 Calm 10.00 Fair CLR 64.9 57 76% 30.07 1019.1
24 20:56 Calm 10.00 Fair CLR 68 57 68% 30.05 1018.7
24 19:56 NW 3 10.00 Fair CLR 75.9 54 82 75.9 47% 78 30.05 1018.7
24 18:56 NW 5 10.00 Fair CLR 79 54 42% 79 30.04 1018.3
24 17:56 Vrbl 6 10.00 Fair CLR 80.1 53.1 39% 80 30.05 1018.4
24 16:56 Vrbl 7 10.00 Fair CLR 81 54 39% 81 30.05 1018.4
24 15:56 W 7 10.00 Fair CLR 80.1 55 42% 80 30.04 1018.1
24 14:56 W 5 10.00 Fair CLR 79 54 42% 79 30.05 1018.4
24 13:56 NW 7 10.00 Fair CLR 79 55 80.1 64 44% 80 30.06 1019.0
24 12:56 Vrbl 5 10.00 Fair CLR 78.1 54 43% 79 30.08 1019.6
24 11:56 NW 7 10.00 Fair CLR 75.9 55.9 50% 78 30.09 1019.8
24 10:56 Calm 10.00 A Few Clouds FEW044 73.9 57.9 57% 30.09 1019.9
24 09:56 Vrbl 6 10.00 Fair CLR 72 57 59% 30.1 1020.2
24 08:56 NW 3 10.00 Fair CLR 69.1 55.9 63% 30.09 1020.0
24 07:56 NW 5 10.00 Fair CLR 64 55.9 64 54 75% 30.09 1019.9 0.01 0.01
24 06:56 Calm 10.00 Fair CLR 57.9 57.9 100% 30.07 1019.5
24 05:56 Calm 10.00 Fair CLR 55.4 0 0% 30.05 1018.8
24 04:56 Calm 10.00 Fair CLR 55.4 0 0% 30.04 1018.6
24 03:56 Calm 10.00 Fair CLR 57.2 0 0% 30.03 1018.2
24 02:56 Calm 10.00 Partly Cloudy SCT070 57.2 0 0% 30.02 1017.8
24 01:56 NW 3 10.00 Partly Cloudy SCT060 59 0 72 59 0% 30.02 1017.8
24 00:56 Calm 7.00 A Few Clouds FEW060 60.8 0 0% 30 1017.1
23 23:56 Calm 10.00 Fair CLR 60.8 0 0% 30 1016.9
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)