As of 15:20 PDT

Weather in Sumas, WA

60°Current weather

Sumas, Friday, 23 October, 15:20

Mostly clear. Feels like 58°. High 60°, low 44°.

Pressure30.30 inHg
Wind5.7 mph NW
Humidity47%
Visibility6.2 mi
Dew point40°

10-day forecast for Sumas, WA: 33° to 60°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.

60°
Best day: Friday, October 23
50° · 1.61 in
Worst day: Wednesday, October 28

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

Sat, 2451° / 41°0.07Light rain
MorningOvercast43°feels 42°
AfternoonOvercast51°feels 50°
EveningOvercast49°feels 46°
OvernightOvercast45°feels 45°
51 °Light rain

Sumas, Saturday, 24 October

Light rain. High 51°, low 41°.

Pressure30.18 inHg
Wind6.2 mph NE
Humidity93%
Visibility4.3 mi
Dew point45°
Sun, 2555° / 44°0.45Rain
MorningLight rain48°feels 44°
AfternoonLight rain54°feels 53°
EveningOvercast50°feels 49°
OvernightLight rain48°feels 45°
55 °Rain

Sumas, Sunday, 25 October

Rain. High 55°, low 44°.

Pressure29.97 inHg
Wind9.6 mph E
Humidity86%
Visibility4.0 mi
Dew point47°
Mon, 2659° / 47°0Mostly clear
MorningOvercast49°feels 46°
AfternoonPartly cloudy59°feels 58°
EveningPartly cloudy50°feels 50°
OvernightOvercast50°feels 49°
59 °Mostly clear

Sumas, Monday, 26 October

Mostly clear. High 59°, low 47°.

Pressure30.03 inHg
Wind1.4 mph SE
Humidity76%
Visibility6.2 mi
Dew point47°
Tue, 2754° / 47°1.03Rain
MorningRain48°feels 48°
AfternoonLight rain54°feels 53°
EveningRain51°feels 51°
OvernightLight rain47°feels 47°
54 °Rain

Sumas, Tuesday, 27 October

Rain. High 54°, low 47°.

Pressure30.09 inHg
Wind0.6 mph E
Humidity91%
Visibility3.8 mi
Dew point49°
Wed, 2850° / 42°1.61Rain
MorningRain48°feels 47°
AfternoonRain49°feels 47°
EveningRain48°feels 46°
OvernightRain43°feels 40°
50 °Rain

Sumas, Wednesday, 28 October

Rain. High 50°, low 42°.

Pressure29.77 inHg
Wind5.4 mph SE
Humidity94%
Visibility—
Dew point47°
Thu, 2945° / 41°0.35Rain
MorningRain42°feels 41°
AfternoonRain44°feels 42°
EveningRain44°feels 44°
OvernightRain43°feels 42°
45 °Rain

Sumas, Thursday, 29 October

Rain. High 45°, low 41°.

Pressure30.00 inHg
Wind6.2 mph NE
Humidity90%
Visibility—
Dew point40°
Fri, 3050° / 37°0Overcast
MorningOvercast44°feels 43°
AfternoonOvercast46°feels 44°
EveningOvercast45°feels 45°
OvernightOvercast38°feels 37°
50 °Overcast

Sumas, Friday, 30 October

Overcast. High 50°, low 37°.

Pressure30.03 inHg
Wind3.6 mph N
Humidity85%
Visibility—
Dew point41°
Sat, 3152° / 33°0Clear
MorningClear37°feels 34°
AfternoonClear45°feels 42°
EveningClear44°feels 44°
OvernightClear36°feels 35°
52 °Clear

Sumas, Saturday, 31 October

Clear. High 52°, low 33°.

Pressure30.06 inHg
Wind5.7 mph NE
Humidity53%
Visibility—
Dew point27°
Sun, 0151° / 35°0Overcast
MorningOvercast39°feels 39°
AfternoonOvercast46°feels 46°
EveningOvercast47°feels 46°
OvernightOvercast42°feels 40°
51 °Overcast

Sumas, Sunday, 1 November

Overcast. High 51°, low 35°.

Pressure30.27 inHg
Wind4 mph NE
Humidity56%
Visibility—
Dew point30°

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.