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 18:56 S 5 10.00 Fair CLR 64.9 54 68% 29.91 1014.1
07 17:56 S 8 10.00 Fair CLR 69.1 54 59% 29.91 1014.0
07 16:56 S 12 10.00 Fair CLR 71.1 54 55% 29.91 1014.1
07 15:56 S 6 10.00 Fair CLR 72 54 53% 29.93 1014.5
07 13:56 S 12 10.00 Fair CLR 71.1 52 71.1 50 51% 29.97 1016.1
07 12:56 S 7 10.00 Fair CLR 69.1 50 51% 30.01 1017.6
07 11:56 Vrbl 7 10.00 Fair CLR 66.9 48.9 53% 30.03 1018.3
07 10:56 S 10 10.00 Fair CLR 63 48.9 60% 30.06 1019.4
07 08:56 S 7 10.00 Fair CLR 54 48.9 83% 30.08 1020.1
07 07:56 S 5 10.00 Fair CLR 50 48.9 50 42.1 96% 49 30.08 1020.1
07 06:56 Calm 10.00 Fair CLR 43 43 100% 30.09 1020.2
07 05:56 Calm 10.00 Fair CLR 43 43 100% 30.08 1020.1
07 04:56 Calm 10.00 Fair CLR 42.1 42.1 100% 30.08 1020.2
07 03:56 Calm 10.00 Fair CLR 43 43 100% 30.09 1020.2
07 02:56 Calm 10.00 Fair CLR 44.1 44.1 100% 30.1 1020.6
07 01:56 Calm 10.00 Fair CLR 43 43 48.9 43 100% 30.11 1020.9
07 00:56 Calm 10.00 Fair CLR 44.1 44.1 100% 30.12 1021.3
06 23:56 Calm 10.00 Fair CLR 44.1 44.1 100% 30.12 1021.6
06 21:56 Calm 10.00 Fair CLR 46 46 100% 30.12 1021.6
06 20:56 Calm 10.00 Fair CLR 46.9 46.9 100% 30.12 1021.6
06 19:56 Calm 10.00 Fair CLR 48.9 46 64 48.9 90% 30.12 1021.4
06 18:56 Calm 10.00 Fair CLR 54 41 62% 30.12 1021.3
06 17:56 Calm 10.00 Fair CLR 62.1 41 46% 30.12 1021.4
06 16:56 W 6 10.00 Fair CLR 62.1 39.9 44% 30.12 1021.5
06 15:56 W 3 10.00 Fair CLR 63 39 41% 30.14 1022.0
06 14:56 W 5 10.00 Fair CLR 64 37.9 38% 30.16 1022.6
06 13:56 Vrbl 3 10.00 Fair CLR 62.1 36 63 42.1 38% 30.19 1023.6
06 12:56 Vrbl 3 10.00 Fair CLR 62.1 33.1 34% 30.22 1024.6
06 11:56 Calm 10.00 Fair CLR 59 36 42% 30.25 1025.6
06 09:56 Calm 10.00 Fair CLR 55 39.9 57% 30.26 1026.2
06 08:56 W 3 10.00 Fair CLR 48.9 43 80% 30.25 1025.9
06 07:56 Calm 10.00 Fair CLR 42.1 42.1 48 39.9 100% 30.24 1025.6
06 06:56 Calm 10.00 Fair CLR 39.9 39.9 100% 30.22 1024.9
06 05:56 Calm 10.00 Fair CLR 41 41 100% 30.2 1024.1
06 04:56 Calm 10.00 Fair CLR 42.1 42.1 100% 30.19 1023.7
06 03:56 NW 3 10.00 Fair CLR 43 43 100% 30.19 1023.6
06 02:56 NW 3 10.00 Fair CLR 46 42.1 86% 30.19 1023.6
06 01:56 Calm 10.00 Fair CLR 46.9 39.9 60.1 45 77% 30.18 1023.4
06 00:56 Calm 10.00 Fair CLR 48.9 41 74% 30.18 1023.2
05 23:56 Calm 10.00 Fair CLR 52 42.1 69% 30.18 1023.2
05 22:56 Calm 10.00 Fair CLR 52 45 77% 30.17 1022.8
05 21:56 Calm 10.00 Fair CLR 55 45 69% 30.15 1022.2
05 20:56 NW 5 10.00 Fair CLR 55.9 46 70% 30.13 1021.5
05 19:56 Vrbl 5 10.00 Fair CLR 60.1 45 71.1 59 58% 30.11 1020.8
05 18:56 Calm 10.00 Fair CLR 63 44.1 50% 30.09 1020.2
05 17:56 NW 8 G 17 10.00 Fair CLR 68 44.1 42% 30.06 1019.2
05 16:56 NW 9 10.00 Fair CLR 70 46 42% 30.05 1018.6
05 15:56 Vrbl 7 10.00 Fair CLR 70 46.9 44% 30.04 1018.5
05 14:56 NW 13 G 22 10.00 A Few Clouds FEW060 71.1 48 44% 30.05 1018.6
05 13:56 W 14 G 18 10.00 A Few Clouds FEW049 71.1 51.1 71.1 55.9 49% 30.06 1019.1 0.01
05 12:56 NW 12 G 21 10.00 Fair CLR 70 51.1 51% 30.08 1019.8
05 11:56 NW 13 G 21 10.00 Partly Cloudy SCT032 68 55 63% 30.09 1020.1
05 10:56 NW 7 10.00 Partly Cloudy SCT021 66 57 73% 30.1 1020.4 0.01
05 09:56 W 10 10.00 Fair CLR 62.1 62.1 100% 30.1 1020.6
05 08:56 W 6 0.50 Fog BKN002 OVC019 57.9 57.9 100% 30.08 1019.9 0.01
05 07:56 W 5 4.00 Fog/Mist CLR 55.9 55.9 60.1 55.9 100% 30.07 1019.6
05 06:56 W 7 9.00 Partly Cloudy SCT006 57.2 0 0% 30.06 1019.2
05 05:56 W 3 10.00 Overcast OVC006 57.9 57.9 100% 30.06 1019.2
05 04:56 W 6 5.00 Fog/Mist OVC003 59 59 100% 30.06 1019.1
05 03:56 Vrbl 5 6.00 Fog/Mist OVC003 59 59 100% 30.06 1019.4
05 02:56 W 7 0.75 Fog/Mist BKN003 OVC018 59 59 100% 30.08 1020.0
05 01:56 Calm 0.25 Fog OVC003 59 59 61 59 100% 30.09 1020.1
05 00:56 Calm 5.00 Fog/Mist BKN003 OVC029 60.1 60.1 100% 30.09 1020.2
04 23:56 Calm 9.00 Overcast OVC004 61 61 100% 30.12 1021.1
04 22:56 Calm 10.00 Overcast BKN006 OVC010 61 61 100% 30.12 1021.3
04 21:56 Calm 7.00 Overcast BKN006 OVC020 60.8 0 0% 30.13 1021.4
04 20:56 Calm 10.00 Overcast OVC006 60.8 0 0% 30.13 1021.6
04 19:56 Calm 10.00 Overcast SCT004 OVC020 60.8 0 64 61 0% 30.11 1020.9 0.01
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)