Sumas, WA Precipitation Forecast | Weather Underground

Rain showers early will evolve into a more steady rain overnight. Low near 45F. Winds NE at 10 to 15 mph. Chance of rain 90%. Rainfall near a quarter of an inch.

Tomorrow

Mon 10/26

High 55°f

65% Precip. / 0.06 in

Cloudy with light rain early. High around 55F. Winds NE at 10 to 15 mph. Chance of rain 70%.

Tomorrow night

Mon 10/26

Low 44°f

19% Precip. / 0 in

Cloudy. Slight chance of a rain shower. Low 44F. Winds NE at 5 to 10 mph.

Hourly Forecast

Now

47°

12AM

53%

47°

1AM

80%

46°

2AM

90%

47°

3AM

94%

47°

4AM

78%

47°

5AM

90%

46°

6AM

86%

46°

7AM

66%

47°

7:45AM

Sunrise

8AM

62%

47°

9AM

39%

47°

10AM

40%

48°

11AM

31%

49°

12PM

31%

50°

1PM

51°

2PM

53°

3PM

54°

4PM

54°

5PM

54°

5:59PM

Sunset

6PM

53°

7PM

51°

8PM

50°

9PM

49°

10PM

49°

11PM

49°

Precipitation

94%

Rain expected around 12:15 AM

Additional Conditions

Pressure 30.03 in
Visibility 10 miles
Clouds Cloudy
Dew Point42°F
Humidity 84%
Rainfall 0.21 in
Snow Depth 0 in

CYXX Station History

Almanac for October 24, 2026

Forecast Average Record
Temperature
High 48°F 56°F 70°F 1941
Low 35°F 40°F 27°F 1954
Rain/Snow Depth
Precipitation 0.22 in 4 in -
Snow 0 in 0 in -

Almanac for October 25, 2026

Forecast Average Record
Temperature
High 55°F 56°F 74°F
Low 45°F 40°F 24°F

Astronomy

Sun Rise Set
Actual Time 7:44 AM 6:01 PM
Civil Twilight 7:11 AM 6:34 PM
Nautical Twilight 6:34 AM 7:11PM
Astronomical Twilight 5:57 AM 7:47 PM

Length of Visible Light 11h 22m
Length of Day 10h 17m
Tomorrow will be 3 minutes 22 seconds shorter

Moon 5:03 PM 5:59 AM
Waxing Gibbous98% of the Moon is Illuminated

Oct 25

Full Moon

Nov 1

Waning Half Last Qtr

Nov 8

New Moon

Nov 17

Waxing Half First Qtr

Nearby Weather Stations

Loading nearby stations…