As of 13:35 PDT

Weather in Sumas, WA

59°Current weather

Sumas, Sunday, 18 October, 13:35

Overcast. Feels like 57°. High 58°, low 41°.

Pressure30.09 inHg
Wind3.4 mph NE
Humidity63%
Visibility3.0 mi
Dew point46°

10-day forecast for Sumas, WA: 36° to 65°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

65°
Best day: Tuesday, October 20
46° · 0.63 in
Worst day: Saturday, October 24

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

Mon, 1961° / 47°0Clear
MorningOvercast48°feels 48°
AfternoonOvercast61°feels 60°
EveningOvercast53°feels 52°
OvernightOvercast47°feels 47°
61 °Clear

Sumas, Monday, 19 October

Clear. High 61°, low 47°.

Pressure29.97 inHg
Wind2.9 mph SW
Humidity74%
Visibility6.2 mi
Dew point48°
Tue, 2065° / 43°0Clear
MorningPartly cloudy44°feels 44°
AfternoonClear64°feels 63°
EveningClear54°feels 53°
OvernightPartly cloudy47°feels 47°
65 °Clear

Sumas, Tuesday, 20 October

Clear. High 65°, low 43°.

Pressure30.09 inHg
Wind2.1 mph NW
Humidity71%
Visibility6.2 mi
Dew point49°
Wed, 2165° / 47°0Clear
MorningClear47°feels 47°
AfternoonClear65°feels 64°
EveningPartly cloudy53°feels 53°
OvernightClear48°feels 48°
65 °Clear

Sumas, Wednesday, 21 October

Clear. High 65°, low 47°.

Pressure29.94 inHg
Wind1.5 mph W
Humidity67%
Visibility6.2 mi
Dew point48°
Thu, 2257° / 46°0.04Light rain
MorningOvercast47°feels 47°
AfternoonLight rain53°feels 52°
EveningLight rain52°feels 51°
OvernightOvercast48°feels 48°
57 °Light rain

Sumas, Thursday, 22 October

Light rain. High 57°, low 46°.

Pressure29.94 inHg
Wind4.8 mph SW
Humidity76%
Visibility6.2 mi
Dew point46°
Fri, 2354° / 45°0.12Light rain
MorningLight rain48°feels 45°
AfternoonLight rain50°feels 46°
EveningLight rain50°feels 49°
OvernightLight rain46°feels 43°
54 °Light rain

Sumas, Friday, 23 October

Light rain. High 54°, low 45°.

Pressure30.24 inHg
Wind10 mph SW
Humidity90%
Visibility—
Dew point46°
Sat, 2446° / 41°0.63Rain
MorningRain45°feels 41°
AfternoonRain44°feels 42°
EveningRain42°feels 39°
OvernightRain44°feels 42°
46 °Rain

Sumas, Saturday, 24 October

Rain. High 46°, low 41°.

Pressure30.06 inHg
Wind7.3 mph NE
Humidity95%
Visibility—
Dew point44°
Sun, 2550° / 40°0.05Light rain
MorningLight rain46°feels 44°
AfternoonLight rain47°feels 45°
EveningLight rain48°feels 46°
OvernightLight rain41°feels 40°
50 °Light rain

Sumas, Sunday, 25 October

Light rain. High 50°, low 40°.

Pressure30.18 inHg
Wind6.1 mph NE
Humidity92%
Visibility—
Dew point44°
Mon, 2654° / 39°0Overcast
MorningOvercast41°feels 38°
AfternoonOvercast49°feels 46°
EveningOvercast49°feels 47°
OvernightOvercast39°feels 36°
54 °Overcast

Sumas, Monday, 26 October

Overcast. High 54°, low 39°.

Pressure30.15 inHg
Wind7.7 mph NE
Humidity58%
Visibility—
Dew point33°
Tue, 2754° / 36°0Mostly clear
MorningMostly clear40°feels 36°
AfternoonMostly clear48°feels 45°
EveningMostly clear48°feels 46°
OvernightMostly clear38°feels 37°
54 °Mostly clear

Sumas, Tuesday, 27 October

Mostly clear. High 54°, low 36°.

Pressure30.09 inHg
Wind6.7 mph NE
Humidity53%
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.