Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Imperial (Metric)
Date Time (est) 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.
27 14:56 SW 7 10.00 Fair CLR 55.9 30.9 39% 30.07 1019.9
27 13:56 W 7 10.00 A Few Clouds FEW049 54 30.9 42% 30.07 1019.9
27 12:56 Calm 10.00 Fair CLR 53.1 32 53.1 26.1 45% 30.08 1020.4
27 11:56 S 3 10.00 Fair CLR 52 33.1 49% 30.11 1021.5
27 10:56 NE 3 10.00 Fair CLR 48 30.9 52% 30.12 1021.7
27 09:56 NW 3 10.00 Fair CLR 43 35.1 74% 30.12 1021.9
27 08:56 Calm 4.00 Fair with Haze CLR 39.2 0 0% 30.11 1021.3
27 07:56 Calm 3.00 Fog/Mist CLR 28.9 28 96% 30.09 1021.0
27 06:56 Calm 2.00 Fog/Mist CLR 27 27 30 25 100% 30.07 1020.3
27 05:56 Calm 3.00 Fog/Mist BKN002 26.1 26.1 100% 30.04 1019.3
27 04:56 Calm 2.50 Fog/Mist BKN002 25 25 100% 30.02 1018.6
27 03:56 Calm 2.50 Fog/Mist CLR 26.6 0 0% 30 1017.9
27 02:56 Calm 4.00 Fog/Mist CLR 28 28 100% 29.99 1017.4
27 01:56 SE 5 4.00 Fair with Haze CLR 28.4 0 0% 24 29.99 1017.4
27 00:56 Calm 4.00 Fair with Haze CLR 30.2 0 41 28.9 0% 29.99 1017.5
26 23:56 Calm 4.00 Fair with Haze CLR 30.2 0 0% 29.98 1017.1
26 22:56 Calm 8.00 A Few Clouds FEW090 35.6 0 0% 29.97 1016.7
26 21:56 Calm 10.00 Overcast OVC095 37.4 0 0% 29.96 1016.3
26 20:56 Calm 10.00 Overcast BKN070 OVC100 39 39 100% 29.94 1015.8
26 19:56 Calm 10.00 Overcast FEW060 OVC075 39.9 39 97% 29.93 1015.2
26 18:56 Calm 10.00 Overcast BKN042 OVC055 39.9 39 52 39.9 97% 29.92 1014.8
26 17:56 Calm 10.00 Overcast OVC040 41 39 93% 29.89 1013.8
26 16:56 Calm 10.00 Overcast FEW036 SCT046 OVC060 41 39.9 96% 29.88 1013.6
26 15:56 Calm 10.00 Light Rain SCT035 BKN043 OVC055 42.1 39.9 92% 29.87 1013.4
26 14:56 Vrbl 3 10.00 Overcast FEW045 OVC065 45 33.1 63% 29.87 1013.3
26 13:56 Vrbl 3 10.00 Overcast BKN055 BKN070 OVC085 48.9 28 44% 29.87 1013.1
26 12:56 Vrbl 5 10.00 Partly Cloudy FEW090 SCT100 51.1 30 52 35.1 45% 29.88 1013.4
26 10:56 Calm 10.00 Mostly Cloudy BKN100 48.9 28.9 46% 29.91 1014.4
26 09:56 Vrbl 3 10.00 Fair CLR 46.9 28 48% 29.89 1013.9
26 08:56 E 3 10.00 Fair CLR 43 32 65% 29.9 1014.2
26 07:56 SE 3 10.00 Fair CLR 39 28 65% 29.88 1013.6
26 06:56 Calm 10.00 Fair CLR 37 28 37.9 34 70% 29.86 1012.7
26 05:56 Calm 10.00 Fair CLR 37 30 76% 29.84 1012.1
26 04:56 Calm 10.00 Fair CLR 37 30.9 79% 29.83 1011.6
26 03:56 Calm 10.00 Fair CLR 35.1 33.1 93% 29.8 1010.8
26 02:56 Calm 10.00 Fair CLR 34 33.1 97% 29.79 1010.5
26 01:56 Calm 10.00 Fair CLR 36 33.1 89% 29.79 1010.5
26 00:56 Calm 10.00 Fair CLR 37.9 32 50 37 79% 29.77 1009.8
25 23:56 SW 6 10.00 A Few Clouds FEW070 44.1 32 63% 41 29.76 1009.3
25 22:56 SW 3 10.00 A Few Clouds FEW085 43 30.9 63% 29.75 1009.1
25 21:56 SW 7 10.00 Mostly Cloudy BKN090 39.9 33.1 77% 36 29.75 1009.1
25 20:56 Calm 10.00 Partly Cloudy SCT080 39.9 30.9 70% 29.73 1008.4
25 19:56 Calm 10.00 Fair CLR 44.1 30.9 60% 29.71 1007.9
25 18:56 W 8 10.00 Fair CLR 50 30.9 52 48 48% 47 29.7 1007.5
25 17:56 Vrbl 3 10.00 Fair CLR 51.1 32 48% 29.66 1006.1
25 16:56 SW 5 10.00 Mostly Cloudy BKN060 BKN080 51.1 32 48% 29.64 1005.4
25 15:56 SW 9 10.00 Overcast OVC060 50 30.9 48% 47 29.63 1005.0
25 14:56 S 7 10.00 Overcast OVC055 51.1 30 45% 29.63 1005.0
25 13:56 SW 8 10.00 Overcast OVC055 50 28.9 44% 47 29.63 1005.0
25 12:56 S 12 10.00 Fair CLR 50 26.1 50 35.1 39% 46 29.66 1005.9
25 11:56 S 8 10.00 Mostly Cloudy FEW075 BKN100 BKN110 46 25 44% 42 29.69 1007.0
25 10:56 SW 8 10.00 Overcast OVC060 45 23 42% 41 29.7 1007.5
25 09:56 SW 8 10.00 Overcast OVC060 41 21 45% 36 29.72 1008.1
25 08:56 SW 6 10.00 Overcast OVC065 37.9 21 51% 34 29.71 1007.8
25 07:56 SW 5 10.00 Overcast OVC065 36 19.9 52% 33 29.71 1007.9
25 06:56 S 6 10.00 Overcast BKN070 OVC090 36 19 36 32 50% 32 29.71 1007.9
25 05:56 SW 5 10.00 Mostly Cloudy BKN070 35.1 19 52% 32 29.71 1007.9
25 04:56 Calm 10.00 Overcast OVC110 34 18 52% 29.71 1008.0
25 03:56 SW 5 10.00 Overcast BKN080 OVC095 34 18 52% 30 29.72 1008.2
25 02:56 S 8 10.00 Overcast BKN075 OVC100 34 17.1 50% 28 29.72 1008.3
25 01:56 S 9 10.00 Overcast FEW060 OVC080 33.1 17.1 52% 26 29.76 1009.7
25 00:56 SW 7 10.00 Overcast SCT075 OVC090 33.1 17.1 33.1 30.9 52% 28 29.83 1011.9
24 23:56 S 6 10.00 Mostly Cloudy BKN110 32 18 56% 27 29.82 1012.0
24 22:56 S 6 10.00 Fair CLR 30.9 16 54% 26 29.87 1013.4
24 21:56 S 7 10.00 Fair CLR 32 16 52% 26 29.89 1014.0
24 20:56 S 7 10.00 Fair CLR 32 16 52% 26 29.9 1014.6
24 19:56 S 7 10.00 Partly Cloudy SCT110 33.1 14 45% 28 29.92 1015.2
24 18:56 S 3 10.00 Fair CLR 30.9 17.1 36 30.9 56% 29.93 1015.7
24 17:56 SW 3 10.00 Fair CLR 35.1 12 38% 29.92 1015.1
24 16:56 SW 9 10.00 Fair CLR 36 12.9 39% 30 29.93 1015.6
Date Time (est) 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)