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.
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
23 22:56 Calm 10.00 Fair CLR 60.8 0 0% 29.99 1016.6
23 21:56 Calm 10.00 Fair CLR 62.6 0 0% 29.98 1016.3
23 20:56 Calm 10.00 Fair CLR 64.9 64.9 100% 29.98 1016.2
23 19:56 Calm 10.00 Fair CLR 72 61 73.9 64.9 68% 29.98 1016.3
23 18:56 Calm 10.00 Fair CLR 73.9 62.1 67% 29.96 1015.7
23 17:56 Vrbl 3 10.00 Partly Cloudy SCT040 71.1 62.1 73% 29.94 1014.9
23 16:56 Vrbl 5 10.00 Mostly Cloudy FEW024 BKN036 70 64 82% 29.94 1014.8
23 15:56 Vrbl 5 10.00 Mostly Cloudy SCT016 SCT022 BKN027 66.9 66 97% 29.95 1015.2
23 14:56 Vrbl 3 10.00 Light Rain BKN014 BKN035 BKN045 66 66 100% 29.95 1015.3
23 13:56 Vrbl 3 10.00 Light Rain SCT010 SCT050 OVC065 64.4 0 70 64 0% 29.95 1015.1 0.08 0.58
23 12:56 Calm 4.00 Light Rain SCT009 BKN055 OVC070 64.4 0 0% 29.96 1015.6 0.1
23 11:56 Vrbl 3 5.00 Rain BKN007 OVC011 66.2 0 0% 29.95 1015.0 0.22
23 10:56 Calm 4.00 Rain BKN008 OVC026 68 0 0% 29.93 1014.5 0.13 0.18
23 09:56 Vrbl 3 4.00 Light Rain OVC007 69.8 0 0% 29.9 1013.7 0.05
23 08:56 Calm 10.00 Light Rain BKN011 OVC018 69.8 0 0% 29.91 1013.9
23 07:56 Calm 10.00 Overcast OVC016 69.8 0 70 68 0% 29.91 1013.8
23 06:56 W 3 10.00 Mostly Cloudy BKN090 69.8 0 0% 29.89 1013.2
23 05:56 Calm 10.00 A Few Clouds FEW090 68 0 0% 29.87 1012.4
23 04:56 Calm 9.00 A Few Clouds FEW090 68 0 0% 29.87 1012.2
23 03:56 Calm 10.00 Fair CLR 68 0 0% 29.87 1012.1
23 02:56 W 3 10.00 A Few Clouds FEW017 69.8 0 0% 29.89 1012.8
23 01:56 W 5 10.00 A Few Clouds FEW065 69.8 0 73.9 70 0% 29.89 1012.8 0.01
23 00:56 SW 3 10.00 Fair CLR 69.8 0 0% 29.88 1012.7
22 23:56 S 7 10.00 Mostly Cloudy BKN005 71.6 0 0% 29.89 1013.0
22 22:56 SW 6 10.00 A Few Clouds FEW075 71.6 0 0% 29.91 1013.7 0.01
22 21:56 Calm 10.00 Partly Cloudy SCT110 73.4 0 0% 29.89 1012.9 0.01
22 20:56 W 3 10.00 Mostly Cloudy BKN110 73.4 0 0% 29.87 1012.4
22 19:56 SE 5 10.00 Light Rain BKN110 73.4 0 89.1 73 0% 29.85 1012.0 0.01 0.05
22 18:56 Calm 10.00 Light Rain BKN110 75 75 100% 72 29.88 1012.8 0.03
22 17:56 SW 6 10.00 Light Rain SCT032 BKN045 OVC065 81 73.9 79% 86 29.86 1012.0 0.01
22 16:56 S 7 10.00 Light Rain FEW055 BKN090 OVC110 84.9 72 65% 91 29.87 1012.2
22 15:56 S 10 G 16 10.00 Partly Cloudy FEW039 SCT070 89.1 69.1 52% 94 29.88 1012.4
22 14:56 SW 9 10.00 Mostly Cloudy SCT049 BKN080 BKN100 89.1 69.1 52% 94 29.89 1012.7
22 13:56 S 6 G 16 10.00 A Few Clouds FEW110 86 68 86 71.1 55% 89 29.91 1013.6
22 12:56 SW 8 10.00 Mostly Cloudy BKN120 84.9 66.9 55% 88 29.92 1013.9
22 11:56 S 10 G 16 10.00 Fair CLR 86 68 55% 89 29.92 1013.9
22 10:56 S 10 10.00 Fair CLR 82.9 68 61% 86 29.93 1014.2
22 09:56 SE 8 10.00 Partly Cloudy SCT100 80.1 69.1 69% 83 29.93 1014.3
22 08:56 SE 9 10.00 Fair CLR 75.9 66.9 74% 77 29.93 1014.4
22 07:56 Calm 10.00 Fair CLR 71.1 64.9 71.1 64.9 81% 29.95 1014.9
22 06:56 Vrbl 3 10.00 Fair CLR 69.1 63 81% 29.95 1014.9
22 05:56 E 3 10.00 A Few Clouds FEW080 68 60.1 76% 29.96 1015.3
22 04:56 Calm 10.00 Partly Cloudy SCT085 68 57.9 70% 29.97 1015.8
22 03:56 Calm 10.00 Mostly Cloudy BKN080 68 57.9 70% 29.98 1016.3
22 02:56 Calm 10.00 Mostly Cloudy BKN085 66 57.9 75% 29.99 1016.4
22 01:56 Calm 10.00 Fair CLR 66 55.9 78.1 64 70% 29.99 1016.4
22 00:56 Calm 10.00 Fair CLR 64.9 55.9 73% 30 1016.7
21 23:56 Calm 10.00 Fair CLR 64 59 84% 30 1017.1
21 22:56 Calm 10.00 Fair CLR 66 55.9 70% 30 1016.9
21 21:56 Calm 10.00 Fair CLR 66.9 57.9 73% 29.99 1016.7
21 20:56 Calm 10.00 Fair CLR 71.1 57 61% 29.98 1016.2
21 19:56 Calm 10.00 Fair CLR 78.1 55 82.9 78.1 45% 79 29.98 1016.0
21 18:56 Calm 10.00 Fair CLR 82 54 38% 81 29.96 1015.7
21 17:56 NW 8 10.00 A Few Clouds FEW070 81 55.9 42% 81 29.96 1015.6
21 16:56 NW 9 10.00 Fair CLR 82 57.9 44% 82 29.95 1015.2
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)