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As of 12:40 PDT

Weather in Sumas, WA

61°Current weather

Sumas, Tuesday, 20 October, 12:40

Clear. Feels like 60°. High 62°, low 43°.

Pressure30.09 inHg
Wind8.1 mph N
Humidity56%
Visibility4.9 mi
Dew point45°

10-day forecast for Sumas, WA: 40° to 67°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

67°
Best day: Wednesday, October 21
56°
Worst day: Saturday, October 24

Tap any day below to see morning, afternoon, evening and overnight.

Wed, 2167° / 46°0Clear
MorningClear46°feels 46°
AfternoonOvercast67°feels 67°
EveningOvercast50°feels 49°
OvernightClear48°feels 48°
67 °Clear

Sumas, Wednesday, 21 October

Clear. High 67°, low 46°.

Pressure29.94 inHg
Wind1.5 mph NE
Humidity64%
Visibility6.2 mi
Dew point48°
Thu, 2257° / 45°0Overcast
MorningOvercast46°feels 46°
AfternoonOvercast57°feels 56°
EveningMostly clear48°feels 46°
OvernightOvercast47°feels 47°
57 °Overcast

Sumas, Thursday, 22 October

Overcast. High 57°, low 45°.

Pressure30.06 inHg
Wind6 mph SW
Humidity80%
Visibility0.6 mi
Dew point47°
Fri, 2357° / 40°0Clear
MorningMostly clear40°feels 40°
AfternoonMostly clear57°feels 56°
EveningOvercast48°feels 48°
OvernightClear43°feels 41°
57 °Clear

Sumas, Friday, 23 October

Clear. High 57°, low 40°.

Pressure30.36 inHg
Wind1.5 mph NW
Humidity80%
Visibility6.2 mi
Dew point46°
Sat, 2456° / 41°0Overcast
MorningOvercast41°feels 41°
AfternoonOvercast50°feels 50°
EveningOvercast54°feels 53°
OvernightOvercast44°feels 44°
56 °Overcast

Sumas, Saturday, 24 October

Overcast. High 56°, low 41°.

Pressure30.27 inHg
Wind1.8 mph NW
Humidity83%
Visibility2.4 mi
Dew point45°
Sun, 2565° / 45°0Overcast
MorningOvercast52°feels 49°
AfternoonOvercast60°feels 58°
EveningOvercast62°feels 60°
OvernightOvercast53°feels 50°
65 °Overcast

Sumas, Sunday, 25 October

Overcast. High 65°, low 45°.

Pressure30.21 inHg
Wind13.2 mph NE
Humidity53%
Visibility—
Dew point40°
Mon, 2661° / 40°0Overcast
MorningOvercast46°feels 42°
AfternoonOvercast54°feels 51°
EveningOvercast54°feels 51°
OvernightOvercast45°feels 42°
61 °Overcast

Sumas, Monday, 26 October

Overcast. High 61°, low 40°.

Pressure30.30 inHg
Wind10.5 mph NE
Humidity32%
Visibility—
Dew point23°
Tue, 2764° / 41°0Clear
MorningClear46°feels 43°
AfternoonClear56°feels 53°
EveningClear56°feels 54°
OvernightClear46°feels 44°
64 °Clear

Sumas, Tuesday, 27 October

Clear. High 64°, low 41°.

Pressure30.18 inHg
Wind5.8 mph NE
Humidity35%
Visibility—
Dew point26°
Wed, 2864° / 43°0Overcast
MorningOvercast47°feels 45°
AfternoonOvercast56°feels 53°
EveningOvercast56°feels 54°
OvernightOvercast46°feels 46°
64 °Overcast

Sumas, Wednesday, 28 October

Overcast. High 64°, low 43°.

Pressure30.06 inHg
Wind4.5 mph NE
Humidity37%
Visibility—
Dew point29°
Thu, 2962° / 46°0Overcast
MorningOvercast49°feels 48°
AfternoonOvercast56°feels 54°
EveningOvercast55°feels 53°
OvernightOvercast49°feels 48°
62 °Overcast

Sumas, Thursday, 29 October

Overcast. High 62°, low 46°.

Pressure29.94 inHg
Wind4.3 mph N
Humidity42%
Visibility—
Dew point32°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Sumas, WA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.