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.
30 10:56 NW 12 G 22 10.00 Fair CLR 70 52 53% 30.16 1022.3
30 09:56 W 8 10.00 Fair CLR 64.9 52 63% 30.15 1022.0
30 08:56 Calm 9.00 Fair CLR 54 54 100% 30.14 1022.0
30 07:56 Calm 2.50 Fog/Mist CLR 48.9 48.9 53.1 48 100% 30.13 1021.7
30 06:56 Calm 5.00 Fog/Mist CLR 50 50 100% 30.12 1021.1
30 05:56 Calm 6.00 Fog/Mist CLR 51.1 51.1 100% 30.12 1021.2
30 04:56 Calm 4.00 Fog/Mist CLR 48.9 48.9 100% 30.11 1020.9
30 03:56 Calm 6.00 Fog/Mist CLR 50 50 100% 30.11 1021.1
30 02:56 Calm 9.00 Fair CLR 51.1 51.1 100% 30.12 1021.4
30 01:56 Calm 8.00 Fair CLR 52 52 63 52 100% 30.13 1021.7
30 00:56 Calm 10.00 Fair CLR 54 54 100% 30.14 1021.9
29 23:56 Calm 10.00 Fair CLR 55.9 55.9 100% 30.15 1022.3
29 22:56 Calm 10.00 Fair CLR 60.1 54 80% 30.15 1022.1
29 21:56 S 5 10.00 Fair CLR 62.1 54 75% 30.15 1022.3
29 20:56 S 3 10.00 Fair CLR 62.1 54 75% 30.16 1022.4
29 19:56 S 5 10.00 Fair CLR 63 55 73 62.1 76% 30.16 1022.7
29 18:56 S 6 10.00 Fair CLR 64.9 53.1 66% 30.15 1022.2
29 17:56 S 5 10.00 Fair CLR 69.1 53.1 57% 30.16 1022.6
29 16:56 SW 5 10.00 Fair CLR 72 54 53% 30.17 1022.8
29 15:56 Calm 10.00 Fair CLR 72 53.1 52% 30.18 1023.2
29 14:56 W 5 10.00 Fair CLR 71.1 55 57% 30.2 1023.9
29 13:56 S 7 10.00 Fair CLR 71.1 55 72 48.9 57% 30.22 1024.7
29 12:56 Vrbl 6 10.00 Fair CLR 69.1 55 61% 30.25 1025.6
29 11:56 Vrbl 7 10.00 Overcast OVC022 66.9 55.9 68% 30.28 1026.7
29 10:56 W 6 10.00 Partly Cloudy SCT018 64.9 55.9 73% 30.3 1027.5
29 09:56 SW 5 10.00 Fair CLR 61 55.9 84% 30.31 1028.0
29 08:56 SE 3 10.00 Fair CLR 55.9 55.9 100% 30.31 1028.0
29 07:56 Calm 5.00 Fog/Mist SCT029 50 50 55.9 48 100% 30.31 1027.7
29 06:56 Calm 10.00 Mostly Cloudy BKN029 52 52 100% 30.3 1027.5
29 05:56 Calm 10.00 Overcast OVC027 54 54 100% 30.3 1027.5
29 04:56 Calm 10.00 Overcast OVC027 54 54 100% 30.3 1027.3
29 03:56 SE 3 10.00 Overcast OVC027 54 54 100% 30.31 1027.7
29 02:56 SE 3 10.00 Overcast OVC027 52 52 100% 30.32 1028.1
29 01:56 Vrbl 3 10.00 Fair CLR 48 48 55 46.9 100% 30.33 1028.5
29 00:56 Calm 10.00 Fair CLR 48 48 100% 30.34 1028.7
28 23:56 Calm 10.00 Fair CLR 48 46.9 96% 30.35 1029.0
28 22:56 Calm 10.00 Fair CLR 48 46 93% 30.36 1029.4
28 21:56 Calm 10.00 Fair CLR 48.9 46.9 93% 30.36 1029.7
28 20:56 Calm 10.00 Fair CLR 52 44.1 75% 30.36 1029.8
28 19:56 Calm 10.00 Fair CLR 55 44.1 64.9 55 67% 30.37 1030.0
28 18:56 Calm 10.00 Fair CLR 57 45 64% 30.36 1029.7
28 17:56 Calm 10.00 Fair CLR 59 45 60% 30.36 1029.8
28 16:56 Calm 10.00 Fair CLR 62.1 48.9 62% 30.37 1029.7
28 15:56 SE 7 10.00 Fair CLR 64 48.9 58% 30.37 1029.8
28 14:56 S 6 10.00 Fair CLR 64.9 48 54% 30.39 1030.4
28 13:56 Calm 10.00 Fair CLR 64 48.9 66 45 58% 30.4 1030.7
28 12:56 S 7 10.00 Fair CLR 64.9 48 54% 30.42 1031.3
28 11:56 Vrbl 5 10.00 Fair CLR 63 50 63% 30.44 1032.0
28 10:56 SE 5 10.00 Fair CLR 61 51.1 70% 30.45 1032.6
28 09:56 Calm 10.00 Fair CLR 55.9 53.1 90% 30.46 1033.0
28 08:56 Calm 7.00 Fair CLR 51.1 51.1 100% 30.45 1032.7
28 07:56 Calm 3.00 Fog/Mist CLR 45 45 48.9 44.1 100% 30.44 1032.3
28 06:56 Calm 3.00 Fog/Mist CLR 45 45 100% 30.42 1031.7
28 05:56 Calm 4.00 Fog/Mist CLR 45 45 100% 30.42 1031.4
28 04:56 Calm 3.00 Fog/Mist CLR 46.9 46.9 100% 30.39 1030.5
28 03:56 Calm 3.00 Fog/Mist CLR 48 48 100% 30.39 1030.5
28 02:56 Calm 6.00 Fog/Mist CLR 48.9 48.9 100% 30.4 1031.0
28 01:56 Calm 6.00 Fog/Mist CLR 48.9 48.9 57.9 48.9 100% 30.4 1030.7
28 00:56 Calm 10.00 Fair CLR 51.1 51.1 100% 30.4 1030.6
27 23:56 Calm 10.00 Fair CLR 52 52 100% 30.39 1030.4
27 22:56 Calm 10.00 Fair CLR 52 51.1 97% 30.38 1030.1
27 21:56 Calm 10.00 Fair CLR 53.1 51.1 93% 30.36 1029.6
27 20:56 Calm 10.00 Fair CLR 54 52 93% 30.35 1029.4
27 19:56 Calm 10.00 Fair CLR 57.9 51.1 73 57.9 78% 30.35 1029.2
27 18:56 Calm 10.00 Fair CLR 61 51.1 70% 30.34 1028.8
27 17:56 Calm 10.00 Fair CLR 66 52 61% 30.33 1028.5
27 16:56 Calm 10.00 Fair CLR 70 50 49% 30.32 1028.1
27 15:56 Calm 10.00 Fair CLR 70 51.1 51% 30.33 1028.3
27 14:56 S 3 10.00 Fair CLR 72 51.1 48% 30.33 1028.4
27 13:56 Calm 10.00 Fair CLR 71.1 51.1 71.1 45 49% 30.34 1028.7
27 12:56 SE 6 10.00 Fair CLR 69.1 51.1 53% 30.36 1029.4
27 11:56 Calm 10.00 Fair CLR 68 51.1 55% 30.38 1030.0
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)