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.
17 06:56 SW 5 10.00 Overcast OVC039 30.9 25 32 28.9 79% 27 30.1 1021.4
17 05:56 W 3 10.00 Overcast OVC047 28.9 24.1 82% 30.06 1020.1
17 04:56 NW 5 10.00 Partly Cloudy SCT049 30 23 75% 26 30.02 1018.6
17 03:56 Vrbl 7 G 18 10.00 Overcast OVC034 32 25 75% 26 30.01 1018.0
17 02:56 Calm 10.00 Overcast OVC032 30.9 25 79% 29.99 1017.6
17 01:56 NW 7 10.00 Overcast OVC034 30.9 25 79% 25 29.97 1016.8
17 00:56 NW 6 10.00 Mostly Cloudy BKN038 28.9 25 30 27 85% 23 29.95 1016.4
16 22:56 NW 5 10.00 Overcast OVC040 28 21.9 78% 24 29.9 1014.6
16 21:56 NW 3 10.00 Overcast OVC048 27 19 72% 29.88 1013.9
16 20:56 Calm 10.00 Overcast OVC065 28 24.1 85% 29.86 1013.2
16 19:56 W 3 9.00 Light Snow BKN048 BKN055 OVC070 28.9 23 78% 29.85 1013.1
16 18:56 W 3 9.00 Light Snow BKN055 OVC065 28.9 19.9 34 28.9 69% 29.85 1012.9
16 17:56 NW 3 10.00 Overcast FEW020 SCT031 OVC043 30 18 61% 29.84 1012.8
16 16:56 S 3 10.00 Overcast OVC046 30.9 18 59% 29.81 1011.7
16 15:56 Vrbl 3 10.00 Mostly Cloudy FEW050 SCT090 BKN120 33.1 17.1 52% 29.8 1011.4
16 14:56 SW 7 10.00 Mostly Cloudy BKN050 34 19 54% 29 29.8 1011.4
16 13:56 SE 8 9.00 Light Snow FEW027 BKN041 OVC048 28.9 19 66% 22 29.83 1012.3
16 12:56 SE 6 9.00 Overcast OVC044 30 17.1 30 16 58% 25 29.87 1013.8
16 11:56 S 7 9.00 Overcast OVC046 28.9 15.1 56% 23 29.93 1015.6
16 10:56 SE 9 10.00 Overcast OVC055 25 16 69% 16 29.98 1017.5
16 09:56 S 10 7.00 Light Snow OVC044 21.9 14 71% 12 30.04 1019.7
16 08:56 S 10 10.00 Overcast SCT050 OVC070 21 14 74% 11 30.07 1020.6
16 07:56 S 3 10.00 Overcast OVC080 18 14 84% 30.09 1021.3
16 06:56 S 3 10.00 Overcast OVC080 16 14 16 8.1 92% 30.1 1021.8
16 05:56 Calm 10.00 Overcast OVC090 12 10 92% 30.12 1022.2
16 04:56 Calm 10.00 Fair CLR 8.1 6.1 92% 30.13 1022.6
16 03:56 Calm 10.00 Fair CLR 12 8.1 84% 30.15 1023.5
16 02:56 Calm 10.00 Fair CLR 14 7 73% 30.18 1024.5
16 01:56 Calm 10.00 Fair CLR 14 8.1 77% 30.2 1025.2
16 00:56 W 3 10.00 Fair CLR 15.1 7 24.1 14 70% 30.22 1025.8
15 23:56 Calm 10.00 Fair CLR 18 8.1 65% 30.25 1026.7
15 22:56 SW 3 10.00 Fair CLR 19 9 65% 30.26 1027.1
15 21:56 W 9 10.00 Fair CLR 19.9 9 62% 10 30.27 1027.4
15 20:56 NW 6 G 18 10.00 Fair CLR 21.9 9 57% 15 30.27 1027.4
15 19:56 NW 10 G 20 10.00 Fair CLR 23 10 57% 13 30.27 1027.4
15 18:56 NW 14 10.00 Fair CLR 24.1 10 28 24.1 55% 13 30.28 1027.7
15 17:56 Vrbl 7 10.00 Fair CLR 26.1 9 48% 19 30.27 1027.4
15 16:56 NW 13 G 16 10.00 Fair CLR 27 10.9 51% 17 30.27 1027.4
15 15:56 NW 18 G 24 10.00 Fair CLR 27 12 53% 15 30.27 1027.2
15 14:56 NW 9 G 21 10.00 Fair CLR 28 12 51% 20 30.26 1026.9
15 13:56 W 16 G 21 10.00 Fair CLR 27 12 53% 16 30.27 1027.1
15 12:56 W 15 G 18 10.00 Fair CLR 26.1 12 26.1 18 55% 15 30.29 1028.0
15 11:56 NW 17 G 24 10.00 Fair CLR 25 10.9 55% 13 30.32 1029.0
15 10:56 NW 15 G 23 10.00 Fair CLR 23 9 55% 11 30.35 1030.1
15 09:56 W 14 G 28 10.00 Fair CLR 21 7 54% 9 30.36 1030.5
15 08:56 W 16 G 22 10.00 Fair CLR 19.9 5 52% 7 30.33 1029.3
15 07:56 W 15 10.00 Fair CLR 18 6.1 59% 5 30.32 1029.1
15 06:56 W 13 10.00 Fair CLR 18 6.1 21 18 59% 6 30.31 1028.7
15 05:56 NW 15 10.00 Fair CLR 18 7 62% 5 30.3 1028.4
15 04:56 W 17 G 25 10.00 Fair CLR 18 7 62% 4 30.28 1027.8
15 03:56 NW 21 G 30 10.00 Fair and Breezy CLR 19 8.1 62% 4 30.27 1027.4
15 02:56 NW 18 G 28 10.00 Fair CLR 19 8.1 62% 5 30.25 1026.7
15 01:56 NW 12 G 21 10.00 Fair CLR 19.9 8.1 60% 9 30.24 1026.2
15 00:56 NW 10 G 17 10.00 Fair CLR 21 9 28.9 21 59% 11 30.23 1025.8
14 23:56 NW 12 G 20 10.00 Overcast OVC070 21.9 9 57% 11 30.23 1025.8
14 22:56 NW 13 G 17 10.00 Overcast OVC080 24.1 10.9 57% 13 30.19 1024.7
14 21:56 NW 14 G 23 10.00 Overcast BKN070 OVC090 25 12 58% 14 30.16 1023.6
14 20:56 NW 8 10.00 Overcast BKN065 OVC080 27 12.9 55% 19 30.14 1023.0
14 19:56 NW 9 G 16 10.00 Overcast OVC065 28 10.9 49% 20 30.14 1022.9
14 18:56 NW 14 G 21 10.00 Light Snow SCT050 OVC070 28.9 12 30 27 49% 19 30.11 1021.7
14 17:56 W 3 10.00 Overcast OVC070 28.9 12 49% 30.09 1021.1
14 16:56 W 3 10.00 Overcast OVC070 30 9 41% 30.08 1020.5
14 15:56 W 6 10.00 A Few Clouds FEW120 30 9 41% 25 30.09 1020.9
14 14:56 Vrbl 6 10.00 Fair CLR 28.9 9 43% 23 30.09 1020.9
14 13:56 W 12 G 20 10.00 Fair CLR 28 8.1 43% 19 30.11 1021.7
14 12:56 W 9 G 20 10.00 Fair CLR 27 7 28 21 43% 19 30.14 1022.7
14 11:56 W 10 10.00 Fair CLR 27 7 43% 18 30.17 1023.8
14 10:56 W 12 10.00 Fair CLR 25 8.1 48% 15 30.21 1024.9
14 09:56 NW 13 10.00 Fair CLR 23 7 50% 12 30.21 1025.3
14 08:56 NW 10 G 17 10.00 Fair CLR 21.9 6.1 50% 12 30.21 1025.2
14 07:56 NW 12 G 17 10.00 Fair CLR 21 6.1 52% 10 30.19 1024.4
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)