Harmans, MD Air Quality & Pollen | Weather Underground

Thundershowers this afternoon following a period of morning rain. High 66F. Winds E at 10 to 20 mph. Chance of rain 100%. 1 to 2 inches of rain expected. Localized flooding is possible.

Tonight

Sun 10/11

Low 60°f

86% Precip. / 0.42 in

Thunderstorms this evening will give way to steady rain overnight. Potential for heavy rainfall. Low near 60F. Winds NNE at 5 to 10 mph. Chance of rain 90%.

Tomorrow

Mon 10/12

High 73°f54°f

24% Precip. / 0 in

Chance of a morning shower. Cloudy skies early, followed by partial clearing. High 73F. Winds NNW at 10 to 15 mph.

Hourly Forecast

Now

64°

5AM

97%

63°

6AM

91%

63°

7AM

99%

63°

7:12AM

Sunrise

8AM

100%

62°

9AM

100%

63°

10AM

100%

63°

11AM

100%

64°

12PM

100%

64°

1PM

99%

65°

2PM

97%

65°

3PM

80%

65°

4PM

74%

65°

5PM

69%

66°

6PM

43%

66°

6:33PM

Sunset

7PM

53%

65°

8PM

55%

64°

9PM

70%

64°

10PM

86%

64°

11PM

75%

64°

12AM

66%

64°

1AM

44%

64°

2AM

39%

63°

3AM

47%

62°

4AM

73%

62°

Precipitation

100%

Rain likely to continue

Additional Conditions

Pressure 30.24 in
Visibility 7 miles
Clouds Cloudy
Dew Point57°F
Humidity 80%
Rainfall 0.07 in
Snow Depth 0 in

KBWI Station History

Almanac for October 11, 2026

Forecast Average Record
Temperature
High 66°F 70°F 89°F 1954
Low 61°F 48°F 27°F 1964
Rain/Snow Depth
Precipitation 1.67 in 3.4 in -
Snow 0 in 0 in -

Almanac for October 12, 2026

Forecast Average Record
Temperature
High 74°F 70°F 89°F
Low 59°F 48°F 29°F

Astronomy

Sun Rise Set
Actual Time 7:12 AM 6:33 PM
Civil Twilight 6:45 AM 7:00 PM
Nautical Twilight 6:14 AM 7:31PM
Astronomical Twilight 5:43 AM 8:02 PM

Length of Visible Light 12h 14m
Length of Day 11h 21m
Tomorrow will be 2 minutes 30 seconds shorter

Moon 8:16 AM 6:45 PM
Waxing Crescent0% of the Moon is Illuminated

Oct 18

Waxing Half First Qtr

Oct 26

Full Moon

Nov 1

Waning Half Last Qtr

Nov 9

New Moon

Nearby Weather Stations

Loading nearby stations…