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.
27 17:56 SE 11 16.09 Overcast BKN021 BKN027 OVC039 24.4 23.3 94% 24 76.15 1016.2
27 16:56 Calm 16.09 Overcast FEW026 BKN036 OVC046 25.6 22.8 85% 27 76.15 1016.1
27 15:56 Calm 16.09 Overcast FEW024 BKN030 OVC070 25.6 21.7 79% 27 76.17 1016.5
27 14:56 Vrbl 6 16.09 A Few Clouds FEW018 26.1 22.8 82% 28 76.23 1017.1
27 13:56 Calm 16.09 Overcast FEW017 SCT075 OVC100 25 23.3 25 21.7 90% 26 76.28 1017.8
27 12:56 Calm 16.09 Overcast OVC080 23.9 23.9 100% 22 76.3 1018.1
27 11:56 Calm 16.09 Overcast BKN011 OVC120 23.3 23.3 100% 76.35 1018.9
27 10:56 Calm 16.09 Overcast OVC080 22.2 22.2 100% 76.35 1018.9
27 09:56 NW 7 16.09 Overcast SCT022 OVC026 22.2 21.7 97% 76.38 1019.3
27 08:56 Calm 16.09 Overcast OVC027 22 0 0% 76.38 1019.1
27 07:56 Calm 14.48 Overcast OVC041 22 0 23.9 21.1 0% 76.35 1018.7 0.94
27 06:56 Calm 9.66 Light Rain FEW055 SCT090 21 0 0% 76.33 1018.4 0.94
27 05:56 Calm 14.48 Overcast OVC046 22 0 0% 76.35 1018.7
27 04:56 Calm 16.09 Overcast SCT043 BKN050 OVC065 22 0 0% 76.33 1018.3
27 03:56 Calm 16.09 Light Rain BKN065 OVC090 22 0 0% 76.33 1018.5
27 02:56 Calm 16.09 Mostly Cloudy BKN070 BKN090 22 0 0% 76.33 1018.3
27 01:56 Calm 16.09 Light Rain SCT120 22 0 25.6 22.2 0% 76.38 1018.9
27 00:56 SE 6 16.09 A Few Clouds FEW120 22.8 22.8 100% 76.43 1019.6
26 23:56 Calm 16.09 Mostly Cloudy FEW060 BKN075 22.8 22.2 96% 76.45 1019.9
26 22:56 Calm 16.09 Partly Cloudy SCT120 23.3 21.7 91% 76.45 1020.3
26 21:56 Calm 16.09 Fair CLR 23.9 20.6 82% 24 76.45 1020.2
26 20:56 Calm 16.09 A Few Clouds FEW048 24.4 20 77% 25 76.43 1019.7
26 19:56 Calm 16.09 Partly Cloudy SCT120 25.6 20 30.6 25.6 71% 27 76.43 1019.6
26 18:56 Calm 16.09 Fair CLR 26.7 20.6 69% 28 76.38 1019.2
26 17:56 Calm 16.09 Fair CLR 27.2 20.6 67% 29 76.35 1018.7
26 16:56 Calm 16.09 Fair CLR 26.7 21.1 71% 28 76.38 1019.2
26 15:56 Vrbl 7 16.09 Fair CLR 28.3 20 61% 30 76.38 1019.1
26 14:56 Calm 16.09 A Few Clouds FEW042 29.4 20 57% 31 76.38 1019.1
26 13:56 W 13 16.09 Fair CLR 28.9 19.4 28.9 21.7 57% 30 76.43 1019.7
26 12:56 Vrbl 9 16.09 Fair CLR 28.3 19.4 59% 30 76.45 1020.0
26 11:56 W 11 16.09 Fair CLR 27.8 19.4 60% 29 76.48 1020.3
26 10:56 Vrbl 7 16.09 Fair CLR 26.1 18.3 62% 27 76.43 1019.7
26 09:56 Calm 16.09 Mostly Cloudy BKN110 24.4 18.3 69% 25 76.43 1019.7
26 08:56 SW 6 16.09 Overcast OVC110 23.9 17.8 69% 25 76.43 1019.7
26 07:56 Calm 16.09 Partly Cloudy SCT110 21.7 19.4 23.9 20 87% 76.4 1019.4
26 06:56 Calm 16.09 A Few Clouds FEW060 20.6 18.3 87% 76.4 1019.3
26 05:56 Calm 16.09 Fair CLR 20.6 17.2 81% 76.33 1018.3
26 04:56 Vrbl 6 16.09 Fair CLR 22.8 16.7 69% 76.25 1017.6
26 03:56 Vrbl 6 16.09 Fair CLR 22.8 16.7 69% 76.25 1017.3
26 02:56 S 11 16.09 Mostly Cloudy BKN075 23.3 16.7 67% 76.25 1017.4
26 01:56 S 6 16.09 A Few Clouds FEW070 23.9 16.7 27.2 23.9 64% 25 76.28 1017.8
26 00:56 S 7 16.09 Partly Cloudy SCT075 24.4 16.7 62% 25 76.3 1018.0
25 23:56 S 17 16.09 Overcast BKN075 OVC090 25 16.1 58% 26 76.33 1018.3
25 22:56 S 15 16.09 Overcast OVC075 25 16.1 58% 26 76.3 1017.9
25 21:56 S 7 16.09 Fair CLR 25.6 15.6 54% 26 76.28 1017.7
25 20:56 S 9 16.09 Fair CLR 26.7 15 49% 27 76.23 1017.2
25 19:56 S 13 16.09 Fair CLR 27.8 15 30.6 27.8 46% 28 76.23 1017.0
25 18:56 S 11 16.09 Fair CLR 28.9 15 43% 29 76.23 1017.2
25 17:56 SW 17 16.09 Partly Cloudy SCT060 30 15 40% 30 76.25 1017.4
25 16:56 S 20 G 28 16.09 Fair CLR 30 15.6 42% 30 76.28 1017.7
25 15:56 S 15 16.09 Partly Cloudy SCT070 29.4 16.1 45% 30 76.3 1018.4
25 14:56 S 13 16.09 A Few Clouds FEW060 28.9 15 43% 29 76.33 1018.7
25 13:56 SW 17 16.09 Partly Cloudy SCT060 29.4 16.1 29.4 21.1 45% 30 76.38 1019.3
25 12:56 S 13 16.09 A Few Clouds FEW060 28.9 15 43% 29 76.43 1019.8
25 11:56 Vrbl 11 16.09 Fair CLR 27.8 15.6 47% 28 76.45 1020.2
25 10:56 Vrbl 11 16.09 Mostly Cloudy BKN080 26.7 15.6 51% 27 76.45 1020.4
25 09:56 Vrbl 11 16.09 A Few Clouds FEW080 25.6 16.1 56% 26 76.45 1020.4
25 08:56 SW 9 16.09 Fair CLR 22.8 15.6 64% 76.43 1020.1
25 07:56 S 6 16.09 Fair CLR 20.6 15.6 20.6 14.4 73% 76.4 1019.7
25 06:56 SE 9 16.09 Partly Cloudy SCT080 18.3 15 81% 76.38 1019.5
25 05:56 Calm 16.09 Partly Cloudy SCT075 15.6 15.6 100% 76.38 1019.4
25 04:56 Calm 16.09 Mostly Cloudy BKN075 15.6 15.6 100% 76.35 1019.1
25 03:56 Calm 16.09 Fair CLR 15 15 100% 76.35 1018.9
25 02:56 Calm 16.09 Fair CLR 15 15 100% 76.38 1019.1
25 01:56 Calm 16.09 Fair CLR 15.6 15 24.4 15 96% 76.38 1019.2
25 00:56 Calm 16.09 Fair CLR 15.6 15.6 100% 76.38 1019.1
24 23:56 Calm 16.09 Fair CLR 16.1 15 93% 76.38 1019.3
24 22:56 Calm 16.09 Fair CLR 17.2 15 87% 76.38 1019.2
24 21:56 Calm 16.09 Fair CLR 18.3 13.9 76% 76.38 1019.1
24 20:56 Calm 16.09 Fair CLR 20 13.9 68% 76.33 1018.7
24 19:56 NW 6 16.09 Fair CLR 24.4 12.2 27.8 24.4 47% 26 76.33 1018.7
24 18:56 NW 7 16.09 Fair CLR 26.1 12.2 42% 26 76.3 1018.3
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)