What is the weather in Sumas right now?

Current weather in Sumas is scattered clouds.

Where can I find the hourly weather forecast for Sumas?

This page shows hourly weather forecast for Sumas, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Sumas updated regularly?

Weather data for Sumas is updated regularly with the latest available observations and forecasts.

Now · 6:57 AM

Sumas Weather & Hourly Forecast

United States · Washington · 98295

53°F

Partly cloudy

Feels like: 52°F

💧 Humidity 97% 🌡 Pressure 29.80 inHg 💨 Wind 1 mph 👁 Visibility 6.2 mi ☁ Clouds 45% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:25 AM 🌇 Sunset 7:52 PM

Hourly Forecast for Sumas

Today

7:00 AM

Partly cloudy

53° 💧 None 💨 1 mph H 97%29.80 inHg

10:00 AM

Partly cloudy

60° 💧 None 💨 2 mph H 80%29.80 inHg

1:00 PM

Mostly cloudy

74° 💧 None 💨 5 mph H 47%29.77 inHg

4:00 PM

Mostly cloudy

76° 💧 None 💨 9 mph H 46%29.74 inHg

7:00 PM

Partly cloudy

69° 💧 None 💨 3 mph H 65%29.74 inHg

10:00 PM

Mostly cloudy night

62° 💧 None 💨 3 mph H 72%29.77 inHg

Tomorrow

1:00 AM

Mostly cloudy night

60° 💧 None 💨 2 mph H 84%29.77 inHg

4:00 AM

Mostly cloudy night

57° 💧 None 💨 1 mph H 81%29.74 inHg

7:00 AM

Partly cloudy

57° 💧 None 💨 2 mph H 87%29.74 inHg

10:00 AM

Partly cloudy

67° 💧 None 💨 2 mph H 51%29.71 inHg

1:00 PM

Overcast

73° 💧 None 💨 6 mph H 44%29.68 inHg

4:00 PM

Overcast

71° 💧 None 💨 6 mph H 39%29.65 inHg

7:00 PM

Light rain

64° 💧 0.03 in 💨 2 mph H 81%29.71 inHg

10:00 PM

Light rain

58° 💧 0.05 in 💨 2 mph H 96%29.74 inHg

Thursday

1:00 AM

Light rain

56° 💧 0.11 in 💨 2 mph H 98%29.74 inHg

4:00 AM

Moderate rain

55° 💧 0.15 in 💨 2 mph H 98%29.77 inHg

Today

7:00 AM

Partly cloudy

53° 💧 None 💨 1 mph H 97%29.80 inHg

8:00 AM

Partly cloudy

53° 💧 None 💨 1 mph H 95%29.80 inHg

9:00 AM

Partly cloudy

56° 💧 None 💨 2 mph H 89%29.80 inHg

10:00 AM

Partly cloudy

60° 💧 None 💨 2 mph H 80%29.80 inHg

11:00 AM

Mostly cloudy

65° 💧 None 💨 3 mph H 69%29.80 inHg

12:00 PM

Mostly cloudy

72° 💧 None 💨 3 mph H 50%29.80 inHg

1:00 PM

Mostly cloudy

74° 💧 None 💨 5 mph H 47%29.77 inHg

2:00 PM

Mostly cloudy

75° 💧 None 💨 6 mph H 45%29.74 inHg

3:00 PM

Mostly cloudy

75° 💧 None 💨 9 mph H 45%29.74 inHg

4:00 PM

Mostly cloudy

76° 💧 None 💨 9 mph H 46%29.74 inHg

5:00 PM

Mostly cloudy

75° 💧 None 💨 7 mph H 48%29.74 inHg

6:00 PM

Partly cloudy

72° 💧 None 💨 6 mph H 52%29.74 inHg

7:00 PM

Partly cloudy

69° 💧 None 💨 3 mph H 65%29.74 inHg

8:00 PM

Mostly cloudy night

67° 💧 None 💨 3 mph H 70%29.74 inHg

9:00 PM

Mostly cloudy night

64° 💧 None 💨 3 mph H 69%29.77 inHg

10:00 PM

Mostly cloudy night

62° 💧 None 💨 3 mph H 72%29.77 inHg

11:00 PM

Mostly cloudy night

61° 💧 None 💨 2 mph H 78%29.77 inHg

Tomorrow

12:00 AM

Overcast night

61° 💧 None 💨 2 mph H 73%29.77 inHg

1:00 AM

Mostly cloudy night

60° 💧 None 💨 2 mph H 84%29.77 inHg

2:00 AM

Mostly cloudy night

59° 💧 None 💨 2 mph H 87%29.77 inHg

3:00 AM

Mostly cloudy night

57° 💧 None 💨 1 mph H 80%29.74 inHg

4:00 AM

Mostly cloudy night

57° 💧 None 💨 1 mph H 81%29.74 inHg

5:00 AM

Mostly cloudy night

56° 💧 None 💨 0 mph H 81%29.74 inHg

6:00 AM

Mostly clear night

56° 💧 None 💨 2 mph H 88%29.74 inHg

7:00 AM

Partly cloudy

57° 💧 None 💨 2 mph H 87%29.74 inHg

8:00 AM

Partly cloudy

61° 💧 None 💨 1 mph H 73%29.71 inHg

9:00 AM

Partly cloudy

65° 💧 None 💨 1 mph H 61%29.71 inHg

10:00 AM

Partly cloudy

67° 💧 None 💨 2 mph H 51%29.71 inHg

11:00 AM

Mostly cloudy

70° 💧 None 💨 4 mph H 42%29.68 inHg

12:00 PM

Overcast

72° 💧 None 💨 4 mph H 38%29.68 inHg

1:00 PM

Overcast

73° 💧 None 💨 6 mph H 44%29.68 inHg

2:00 PM

Overcast

73° 💧 None 💨 6 mph H 45%29.68 inHg

3:00 PM

Overcast

73° 💧 None 💨 4 mph H 41%29.68 inHg

4:00 PM

Overcast

71° 💧 None 💨 6 mph H 39%29.65 inHg

5:00 PM

Overcast

69° 💧 None 💨 8 mph H 49%29.68 inHg

6:00 PM

Overcast

66° 💧 None 💨 5 mph H 56%29.68 inHg

7:00 PM

Light rain

64° 💧 0.01 in 💨 2 mph H 81%29.71 inHg

8:00 PM

Light rain

63° 💧 0.01 in 💨 2 mph H 94%29.74 inHg

9:00 PM

Light rain

60° 💧 0.01 in 💨 2 mph H 96%29.74 inHg

10:00 PM

Light rain

58° 💧 0.01 in 💨 2 mph H 96%29.74 inHg

11:00 PM

Light rain

57° 💧 0.01 in 💨 2 mph H 97%29.74 inHg

Thursday

12:00 AM

Light rain

56° 💧 0.03 in 💨 2 mph H 98%29.74 inHg

1:00 AM

Light rain

56° 💧 0.03 in 💨 2 mph H 98%29.74 inHg

2:00 AM

Light rain

55° 💧 0.03 in 💨 2 mph H 97%29.74 inHg

3:00 AM

Moderate rain

55° 💧 0.05 in 💨 2 mph H 98%29.74 inHg

4:00 AM

Moderate rain

55° 💧 0.06 in 💨 2 mph H 98%29.77 inHg

5:00 AM

Moderate rain

54° 💧 0.05 in 💨 2 mph H 98%29.77 inHg

6:00 AM

Moderate rain

54° 💧 0.04 in 💨 2 mph H 98%29.77 inHg

7:00 AM

Light rain

54° 💧 0.03 in 💨 3 mph H 98%29.77 inHg

8:00 AM

Light rain

54° 💧 0.02 in 💨 2 mph H 98%29.80 inHg

9:00 AM

Light rain

55° 💧 0.01 in 💨 3 mph H 98%29.80 inHg

10:00 AM

Light rain

55° 💧 0.01 in 💨 2 mph H 97%29.83 inHg

11:00 AM

Light rain

57° 💧 0.01 in 💨 1 mph H 94%29.83 inHg

12:00 PM

Moderate rain

56° 💧 0.04 in 💨 1 mph H 95%29.83 inHg

1:00 PM

Light rain

57° 💧 0.02 in 💨 3 mph H 94%29.83 inHg

2:00 PM

Light rain

60° 💧 0.01 in 💨 4 mph H 83%29.83 inHg

3:00 PM

Overcast

62° 💧 None 💨 3 mph H 72%29.83 inHg

4:00 PM

Overcast

64° 💧 None 💨 3 mph H 60%29.83 inHg

5:00 PM

Overcast

66° 💧 None 💨 2 mph H 54%29.83 inHg

6:00 PM

Overcast

65° 💧 None 💨 3 mph H 55%29.83 inHg

7:00 PM

Overcast

61° 💧 None 💨 2 mph H 69%29.83 inHg

8:00 PM

Overcast night

55° 💧 None 💨 2 mph H 81%29.83 inHg

9:00 PM

Overcast night

54° 💧 None 💨 1 mph H 85%29.85 inHg

10:00 PM

Overcast night

53° 💧 None 💨 1 mph H 87%29.85 inHg

11:00 PM

Overcast night

51° 💧 None 💨 2 mph H 91%29.85 inHg

Friday

12:00 AM

Overcast night

50° 💧 None 💨 2 mph H 91%29.85 inHg

1:00 AM

Overcast night

50° 💧 None 💨 2 mph H 91%29.88 inHg

2:00 AM

Overcast night

49° 💧 None 💨 2 mph H 93%29.88 inHg

3:00 AM

Mostly cloudy night

48° 💧 None 💨 1 mph H 94%29.88 inHg

4:00 AM

Mostly cloudy night

48° 💧 None 💨 2 mph H 94%29.88 inHg

5:00 AM

Partly cloudy night

47° 💧 None 💨 2 mph H 94%29.91 inHg

6:00 AM

Overcast night

47° 💧 None 💨 1 mph H 94%29.91 inHg

7:00 AM

Overcast

49° 💧 None 💨 1 mph H 89%29.94 inHg

8:00 AM

Overcast

52° 💧 None 💨 1 mph H 81%29.94 inHg

9:00 AM

Overcast

56° 💧 None 💨 1 mph H 69%29.97 inHg

10:00 AM

Overcast

61° 💧 None 💨 2 mph H 61%29.97 inHg

11:00 AM

Overcast

64° 💧 None 💨 2 mph H 54%29.97 inHg

12:00 PM

Overcast

66° 💧 None 💨 4 mph H 49%29.97 inHg

1:00 PM

Overcast

69° 💧 None 💨 3 mph H 43%29.97 inHg

2:00 PM

Overcast

68° 💧 None 💨 4 mph H 44%29.97 inHg

3:00 PM

Light rain

63° 💧 0.01 in 💨 7 mph H 67%29.97 inHg

4:00 PM

Light rain

59° 💧 0.02 in 💨 7 mph H 89%30.00 inHg

5:00 PM

Light rain

56° 💧 0.03 in 💨 6 mph H 97%30.03 inHg

6:00 PM

Overcast

56° 💧 None 💨 6 mph H 96%30.03 inHg

7:00 PM

Overcast

55° 💧 None 💨 6 mph H 96%30.00 inHg

8:00 PM

Overcast night

52° 💧 None 💨 5 mph H 97%30.03 inHg

9:00 PM

Overcast night

51° 💧 None 💨 5 mph H 97%30.03 inHg

10:00 PM

Mostly cloudy night

51° 💧 None 💨 5 mph H 96%30.03 inHg

11:00 PM

Mostly cloudy night

50° 💧 None 💨 4 mph H 95%30.03 inHg

Saturday

12:00 AM

Partly cloudy night

50° 💧 None 💨 3 mph H 95%30.03 inHg

1:00 AM

Mostly cloudy night

49° 💧 None 💨 3 mph H 94%30.03 inHg

2:00 AM

Mostly cloudy night

49° 💧 None 💨 3 mph H 93%30.00 inHg

3:00 AM

Mostly cloudy night

49° 💧 None 💨 3 mph H 93%30.00 inHg

4:00 AM

Overcast night

49° 💧 None 💨 3 mph H 93%30.03 inHg

5:00 AM

Mostly cloudy night

48° 💧 None 💨 3 mph H 92%30.03 inHg

6:00 AM

Clear night

48° 💧 None 💨 3 mph H 91%30.03 inHg

In Sumas and, more broadly, across the state of Washington: This morning will start with mostly cloudy skies and mild temperatures ranging from 52 to 65 degrees Fahrenheit. Light westerly winds, generally around 8 mph with gusts up to 11 mph, will be present. As the day progresses, there is a high likelihood of rain, with total accumulation around 0.06 inches. Expect conditions to remain mostly cloudy throughout the afternoon, with rain possibly intensifying at times. Temperatures will stay mild, providing a comfortable but damp day overall. Be prepared for some light rain and keep an eye on local updates for any changes in the forecast.

15-Day Weather Outlook for Sumas

TomorrowTomorrow

Light rain 73°/56° 💧 0.05 in 💨 8 mph

Thursday, Sep 3Thu Sep 3

Moderate rain 66°/51° 💧 0.43 in 💨 4 mph

Friday, Sep 4Fri Sep 4

Light rain 68°/47° 💧 0.06 in 💨 6 mph

Saturday, Sep 5Sat Sep 5

Light rain 80°/48° 💧 0.01 in 💨 9 mph

Sunday, Sep 6Sun Sep 6

Overcast 81°/53° 💧 None 💨 5 mph

Monday, Sep 7Mon Sep 7

Partly cloudy 76°/55° 💧 None 💨 7 mph

Tuesday, Sep 8Tue Sep 8

Light rain 66°/53° 💧 0.00 in 💨 7 mph

Wednesday, Sep 9Wed Sep 9

Light rain 68°/56° 💧 0.00 in 💨 7 mph

Thursday, Sep 10Thu Sep 10

Light rain 65°/48° 💧 0.01 in 💨 6 mph

Friday, Sep 11Fri Sep 11

Sunny 70°/46° 💧 None 💨 6 mph

Saturday, Sep 12Sat Sep 12

Sunny 74°/48° 💧 None 💨 6 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 79°/51° 💧 None 💨 5 mph

Monday, Sep 14Mon Sep 14

Sunny 75°/54° 💧 None 💨 5 mph

Tuesday, Sep 15Tue Sep 15

Mostly cloudy 73°/51° 💧 None 💨 5 mph

Wednesday, Sep 16Wed Sep 16

Overcast 76°/52° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sumas

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Sumas

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 7:00 AM

PM2.5 Fine particles Good 5,9µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 7,6µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 19,6µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 3,6µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Sumas

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,2Moderate 😊Good

Tomorrow UV 3,5Moderate 🙂Fair

Thursday UV 2,1Low 😊Good

Friday UV 2,2Low 🙂Fair

Saturday UV 6,0High 😊Good

Sunday UV 6,0High —Unavailable

Monday UV 5,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,4 9:00 AMUV 1,2 10:00 AMUV 2,3 11:00 AMUV 3,7 12:00 PMUV 4,7 1:00 PMUV 5,2 2:00 PMUV 4,8 3:00 PMUV 3,8 4:00 PMUV 2,5 5:00 PMUV 1,3 6:00 PMUV 0,5

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Sumas

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.90 Population: 1,512

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Forecast data for Sumas were last refreshed today at 6:57 AM. The current forecast period extends through 03/09/2026 at 4:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.