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.
07 06:56 Calm 1.50 Light Rain Fog/Mist OVC002 64.9 64.9 100% 29.84 1011.3
07 05:56 Calm 0.50 Fog OVC002 64 64 100% 29.83 1011.0
07 04:56 Calm 0.50 Fog BKN002 OVC013 64 64 100% 29.83 1011.0
07 03:56 Calm 0.75 Fog/Mist FEW011 BKN015 OVC120 64.9 64.9 100% 29.83 1011.0
07 02:56 Calm 1.75 Fog/Mist OVC003 63 63 100% 29.84 1011.4
07 01:56 Calm 4.00 Fog/Mist OVC003 64 64 69.1 64 100% 29.85 1011.9
07 00:56 Calm 6.00 Fog/Mist BKN017 OVC120 64.9 64.9 100% 29.87 1012.6
06 23:56 Calm 9.00 Mostly Cloudy BKN120 64.9 64.9 100% 29.89 1013.1
06 22:56 Calm 10.00 Overcast OVC120 64.9 64.9 100% 29.89 1013.3
06 21:56 SE 5 10.00 Overcast OVC100 66.9 64.9 93% 29.91 1014.0
06 19:56 Calm 10.00 Overcast OVC027 68 64.9 73 68 90% 29.93 1014.4
06 18:56 Calm 10.00 Fair CLR 70 64.9 84% 29.93 1014.4
06 17:56 Calm 10.00 Partly Cloudy SCT020 71.1 64 79% 29.92 1014.2
06 16:56 Calm 10.00 Overcast OVC020 72 64.9 79% 29.93 1014.5
06 15:56 Calm 10.00 Overcast OVC020 72 64.9 79% 29.95 1015.2
06 14:56 Calm 10.00 Overcast OVC016 69.1 64.9 87% 29.98 1016.3
06 13:56 NW 3 10.00 Overcast OVC018 70 64.9 72 64.9 84% 30 1016.9
06 12:56 NW 5 10.00 Overcast OVC016 69.1 64 84% 30.01 1017.4
06 11:56 S 5 10.00 Overcast OVC016 71.1 64 79% 30.02 1017.6
06 10:56 Vrbl 3 10.00 Overcast OVC014 69.1 64 84% 30.02 1017.8
06 09:56 W 5 10.00 Overcast BKN008 OVC012 66.9 64.9 93% 30.03 1018.0
06 08:56 W 6 6.00 Fog/Mist BKN004 OVC014 64.9 64.9 100% 30.03 1018.0
06 07:56 Calm 0.25 Fog OVC002 64.9 64.9 66 64 100% 30.03 1018.0
06 06:56 Calm 0.25 Fog OVC002 64.9 64.9 100% 30.03 1017.9
06 05:56 Calm 1.50 Fog/Mist OVC002 64 64 100% 30.02 1017.5
06 04:56 Calm 7.00 Overcast OVC004 64.9 64.9 100% 30.03 1017.9
06 03:56 Calm 5.00 Fog/Mist OVC004 64.9 64.9 100% 30.02 1017.8
06 02:56 Calm 2.00 Fog/Mist OVC004 64 64 100% 30.03 1018.0
06 01:56 Calm 7.00 Overcast OVC005 66 64.9 66 64 96% 30.05 1018.8
06 00:56 SE 5 6.00 Fog/Mist BKN012 OVC019 64.9 64.9 100% 30.07 1019.5
05 23:56 SE 3 8.00 Overcast FEW008 OVC012 66 64.9 96% 30.08 1019.9
05 22:56 Vrbl 5 5.00 Fog/Mist BKN005 OVC009 64.9 64.9 100% 30.08 1019.9
05 21:56 Calm 6.00 Fog/Mist BKN005 OVC010 64.9 64.9 100% 30.09 1020.1
05 20:56 Calm 7.00 Overcast FEW005 BKN011 OVC017 64.9 64.9 100% 30.09 1020.2
05 19:56 Calm 9.00 Overcast BKN012 OVC031 64.9 64.9 68 64.9 100% 30.11 1020.7
05 18:56 SE 3 10.00 Overcast OVC019 68 64.9 90% 30.1 1020.6
05 17:56 S 5 10.00 Overcast SCT014 BKN024 OVC030 68 64 87% 30.1 1020.5
05 16:56 S 6 10.00 Overcast OVC016 68 63 84% 30.1 1020.4
05 15:56 SE 6 10.00 Overcast OVC006 66.9 64 91% 30.1 1020.5
05 14:56 SE 6 9.00 Overcast OVC004 64 63 96% 30.12 1021.2
05 13:56 SE 7 6.00 Fog/Mist OVC004 62.1 62.1 62.1 53.1 100% 30.14 1021.8 0.07
05 12:56 SE 5 2.50 Light Rain Fog/Mist OVC004 61 60.1 97% 30.15 1022.4
05 11:56 SE 6 10.00 Overcast OVC004 59 59 100% 30.17 1023.0
05 09:56 Calm 2.00 Light Rain Fog/Mist OVC004 55.9 55.9 100% 30.17 1023.1 0.03
05 08:56 Calm 10.00 Light Rain OVC004 54 54 100% 30.17 1023.1 0.01
05 07:56 Vrbl 3 10.00 Light Rain OVC004 53.1 53.1 53.1 51.1 100% 30.17 1023.1 0.02 0.32
05 06:56 Calm 3.00 Rain Fog/Mist OVC004 52 52 100% 30.17 1023.1 0.03
05 05:56 Calm 10.00 Light Rain OVC006 52 51.1 97% 30.16 1022.9 0.06
05 04:56 Vrbl 3 5.00 Rain Fog/Mist OVC006 51.1 51.1 100% 30.17 1023.0 0.07 0.21
05 03:56 Calm 8.00 Light Rain OVC006 51.1 51.1 100% 30.17 1023.3 0.07
05 02:56 Vrbl 3 4.00 Light Rain Fog/Mist OVC004 51.1 51.1 100% 30.17 1023.3 0.07
05 01:56 Calm 3.00 Light Rain Fog/Mist OVC004 51.1 51.1 51.1 50 100% 30.19 1024.0 0.03 0.05
05 00:56 Vrbl 3 2.00 Light Rain Fog/Mist OVC004 51.1 50 96% 30.21 1024.4 0.01
04 23:56 Vrbl 3 2.50 Light Rain Fog/Mist OVC004 50 50 100% 30.22 1024.7
04 22:56 Vrbl 3 5.00 Fog/Mist OVC004 50 50 100% 30.23 1025.3 0.01 0.01
04 21:56 E 5 3.00 Light Rain Fog/Mist OVC004 50 50 100% 49 30.24 1025.4
04 20:56 Vrbl 6 3.00 Light Rain Fog/Mist OVC006 50 50 100% 48 30.23 1025.2
04 19:56 E 5 1.75 Light Rain Fog/Mist OVC004 51.1 50 53.1 51.1 96% 30.22 1025.0 0.01 0.1
04 18:56 Vrbl 5 2.00 Light Rain Fog/Mist OVC004 51.1 51.1 100% 30.22 1025.0 0.02
04 17:56 Vrbl 3 8.00 Light Rain BKN006 OVC012 51.1 51.1 100% 30.22 1024.8 0.02
04 16:56 Vrbl 6 10.00 Overcast OVC006 52 52 100% 30.22 1025.0 0.02 0.05
04 15:56 E 5 10.00 Light Rain BKN006 OVC014 52 52 100% 30.23 1025.2 0.03
04 14:56 Vrbl 3 4.00 Light Rain Fog/Mist OVC004 53.1 52 96% 30.24 1025.5
04 13:56 Vrbl 3 1.75 Light Rain Fog/Mist OVC004 52 51.1 52 50 97% 30.24 1025.6 0.01 0.24
04 12:56 Calm 2.00 Light Rain Fog/Mist OVC004 51.1 51.1 100% 30.25 1025.8 0.04
04 11:56 Vrbl 5 6.00 Light Rain Fog/Mist OVC004 51.1 51.1 100% 30.25 1025.9 0.07
04 10:56 Vrbl 5 9.00 Light Rain OVC006 52 51.1 97% 30.25 1025.8 0.06 0.12
04 09:56 E 6 8.00 Rain BKN006 OVC010 51.1 50 96% 30.24 1025.5 0.04
04 08:56 Calm 10.00 Light Rain OVC006 51.1 50 96% 30.24 1025.6 0.02
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)