Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Metric (Imperial)
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
29 03:56 Vrbl 6 16.09 Fair CLR 18.9 17.8 93% 76.66 1022.9
29 02:56 Calm 16.09 Fair CLR 19.4 18.9 97% 76.61 1022.1
29 01:56 Calm 16.09 Fair CLR 18.9 18.9 25 18.9 100% 76.58 1021.8
29 00:56 Calm 16.09 Fair CLR 19 0 0% 76.58 1021.8
28 23:56 Calm 16.09 Fair CLR 19 0 0% 76.53 1021.3
28 22:56 Calm 16.09 Fair CLR 20 0 0% 76.53 1021.1
28 21:56 Calm 16.09 Fair CLR 20.6 20.6 100% 76.5 1020.8
28 20:56 Calm 16.09 Fair CLR 22.2 21.7 97% 76.45 1020.2
28 19:56 Calm 16.09 Partly Cloudy SCT085 25 20 30 25 74% 26 76.38 1019.3
28 18:56 Calm 16.09 Fair CLR 26.7 20 67% 28 76.35 1018.9
28 17:56 Vrbl 6 16.09 Fair CLR 28.3 20 61% 30 76.35 1018.8
28 16:56 Calm 16.09 A Few Clouds FEW065 27.2 20.6 67% 29 76.33 1018.5
28 15:56 Vrbl 7 16.09 Mostly Cloudy SCT047 BKN055 BKN100 27.8 20.6 65% 30 76.33 1018.3
28 14:56 Vrbl 9 16.09 Partly Cloudy FEW043 SCT050 30 20.6 57% 32 76.3 1018.2
28 13:56 Vrbl 6 12.87 Partly Cloudy SCT034 29.4 21.7 29.4 21.1 63% 32 76.35 1018.6
28 12:56 Vrbl 6 16.09 A Few Clouds FEW120 27.8 21.7 69% 30 76.35 1018.8
28 11:56 Vrbl 7 16.09 A Few Clouds FEW120 28.3 21.7 67% 31 76.38 1019.1
28 10:56 NW 6 16.09 Fair CLR 26.1 22.2 79% 28 76.38 1019.3
28 09:56 NW 9 16.09 Partly Cloudy SCT100 24.4 22.8 91% 24 76.35 1018.7
28 08:56 NW 9 16.09 Mostly Cloudy BKN009 21.7 21.7 100% 76.3 1018.2
28 07:56 W 6 16.09 Overcast SCT009 BKN013 OVC090 21 0 21.1 20 0% 76.25 1017.6
28 06:56 Calm 14.48 Mostly Cloudy FEW007 BKN090 20 0 0% 76.2 1016.6
28 05:56 Calm 14.48 Fair CLR 20 0 0% 76.15 1016.1
28 04:56 NW 6 14.48 Partly Cloudy SCT016 21 0 0% 76.15 1016.1
28 03:56 Calm 16.09 Overcast OVC016 21 0 0% 76.15 1015.9
28 02:56 Calm 16.09 Overcast OVC018 20 0 0% 76.15 1016.1
28 01:56 Calm 16.09 Fair CLR 20 0 24.4 19.4 0% 76.15 1016.1 1.35
28 00:56 Calm 16.09 A Few Clouds FEW016 20 0 0% 76.17 1016.5
27 23:56 Calm 11.27 Fair CLR 20 0 0% 76.15 1016.1
27 22:56 Calm 14.48 Fair CLR 21 0 0% 76.12 1015.9 1.35
27 21:56 SE 15 16.09 Thunderstorm in Vicinity CLR 21.7 21.7 100% 76.15 1016.1
27 20:56 Vrbl 6 16.09 Thunderstorm in Vicinity Light Rain FEW110 20.6 20 96% 76.1 1015.7 1.35
27 19:56 NW 19 16.09 Thunderstorm Light Rain FEW027 BKN035 BKN048 24.4 20.6 31.7 24.4 79% 25 76.17 1016.3 0.03 0.03
27 18:56 S 17 G 26 14.48 Fair CLR 27.8 21.1 67% 30 76.07 1014.9
27 17:56 S 15 16.09 A Few Clouds FEW044 28.3 20.6 63% 30 76.05 1014.6
27 16:56 S 19 G 28 16.09 A Few Clouds FEW039 29.4 21.1 61% 32 76.02 1014.3
27 15:56 S 19 16.09 Mostly Cloudy BKN037 BKN046 BKN055 30 22.2 63% 33 76.07 1015.0
27 14:56 S 15 16.09 Partly Cloudy SCT037 SCT050 31.1 21.7 57% 34 76.12 1015.6
27 13:56 Vrbl 11 16.09 Partly Cloudy SCT033 30.6 22.2 30.6 23.3 61% 34 76.15 1016.1
27 12:56 S 11 16.09 A Few Clouds FEW065 29.4 22.2 65% 33 76.2 1016.7
27 11:56 S 11 16.09 Fair CLR 28.3 22.2 70% 31 76.23 1017.0
27 10:56 SW 6 16.09 A Few Clouds FEW055 25 22.8 88% 26 76.28 1017.6
27 09:56 S 6 16.09 Light Rain OVC055 23.9 22.2 90% 23 76.25 1017.5
27 08:56 W 11 16.09 Mostly Cloudy BKN050 BKN070 23.9 21.7 88% 24 76.25 1017.4
27 07:56 S 11 16.09 Overcast BKN060 OVC070 23.3 21.7 23.3 21.7 91% 76.25 1017.4
27 06:56 S 7 16.09 A Few Clouds FEW100 22.2 22.2 100% 76.23 1017.0
27 05:56 Calm 16.09 Mostly Cloudy FEW065 BKN100 22.2 21.7 97% 76.23 1016.9
27 04:56 S 9 16.09 Overcast BKN085 OVC110 22.8 21.1 90% 76.23 1017.0
27 03:56 SE 11 16.09 Overcast OVC095 22.8 20.6 87% 76.23 1017.1
27 02:56 S 11 16.09 Overcast OVC090 22.8 20.6 87% 76.25 1017.4
27 01:56 S 9 16.09 Overcast BKN060 OVC080 22.8 20 25 22.2 84% 76.28 1017.8
27 00:56 SE 13 16.09 Fair CLR 22.8 18.9 79% 76.3 1017.8
26 23:56 SE 13 16.09 Fair CLR 23.3 18.3 74% 76.3 1018.0
26 22:56 SE 11 16.09 Fair CLR 23.3 17.8 71% 76.33 1018.2
26 21:56 SE 9 16.09 Fair CLR 22.8 17.8 74% 76.33 1018.3
26 20:56 SE 9 16.09 Fair CLR 24.4 17.2 64% 25 76.3 1018.1
26 19:56 SE 11 16.09 Fair CLR 25 16.7 30 25 60% 26 76.25 1017.5
26 18:56 S 9 16.09 Fair CLR 26.7 17.2 56% 27 76.28 1017.9
26 17:56 S 11 16.09 Fair CLR 27.2 17.2 54% 28 76.33 1018.6
26 16:56 S 11 16.09 Partly Cloudy SCT050 28.3 16.7 49% 29 76.33 1018.7
26 15:56 S 13 16.09 Mostly Cloudy BKN060 28.9 17.2 49% 29 76.33 1018.6
26 14:56 S 17 G 31 16.09 Mostly Cloudy BKN060 28.9 15.6 44% 29 76.38 1019.2
26 13:56 SW 13 12.87 A Few Clouds FEW055 28.9 15.6 29.4 17.8 44% 29 76.4 1019.7
26 12:56 S 15 16.09 Fair CLR 28.9 16.1 46% 29 76.45 1020.3
26 11:56 SW 11 16.09 Partly Cloudy SCT070 27.2 17.2 54% 28 76.5 1021.0
26 10:56 Vrbl 9 16.09 A Few Clouds FEW075 27.2 16.7 53% 28 76.53 1021.1
26 09:56 Calm 16.09 Fair CLR 24.4 17.8 67% 25 76.5 1021.2
26 08:56 Calm 16.09 Fair CLR 20.6 19.4 93% 76.53 1021.2
26 07:56 Calm 16.09 A Few Clouds FEW070 18 0 17.8 15 0% 76.5 1021.0
26 06:56 Calm 16.09 Fair CLR 16 0 0% 76.48 1020.7
26 05:56 Calm 16.09 Fair CLR 16 0 0% 76.45 1020.3
26 04:56 Calm 16.09 Fair CLR 15.6 15.6 100% 76.45 1020.4
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)