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Sumas, Washington Weather

Fireweed Ignites. Day 14 of summer. Read this microseason across nine climate regions →

Sumas weather forecast — hour by hour, 7-day outlook, NOAA radar

Sumas, WA
Saturday, July 4 at 11:39 AM
65
°
Mostly Clear
Feels like
63°
Humidity
67%
Wind
11 mph
Sunrise
10:11 PM
Sunset
2:15 PM
Sumas, WA
Hour by hour · 24h
24-Hour ForecastSumas, WA: 24-hour forecast. Temperatures range from 52 to 69 degrees Fahrenheit.
L 52°H 69°
Sumas, WA
7-day forecast
  1. Today
    Jul 4
    Overcast
    69°55°
  2. Sunday
    Jul 5
    Overcast
    77°52°+8°
  3. Monday
    Jul 6
    Overcast
    81°54°+4°
  4. Tuesday
    Jul 7
    Overcast
    79°53°-2°
  5. Wednesday
    Jul 8
    Drizzle
    42%
    0.07″
    70°56°-9°
  6. Thursday
    Jul 9
    Overcast
    75°55°+5°
  7. Friday
    Jul 10
    Mostly Clear
    11%
    81°51°+6°
Sumas, WA
Anemometer · 24h winds · from true
NESW
From · True
SW
232° · backing 31°
Direction
SW
232°
Sustained
11
mph
Gust
14
mph
Peak 24h
17
avg 7
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 7 · pk 17 @ 10:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 191SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 31° from the sw.
Sumas, WA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1018.5
+0.1 mb in 3h · steady · 30.08 inHg
Now
1018.5
mb
3h
+0.1
mb
12h
+1.8
mb
24h
+0.5
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10161019
1010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY-21h-18h-15h-12h-9h-6h-3h-24hNOW1018.51016.41018.2
−24h−18h−12h−6hnow
Fair, steady air — a quiet anticyclone holds the sky.
Sumas, WA
Air quality
29
AQI
Good
-4 in 6h

AQI 29 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points).

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
4.1μg/m³
PM 10Good
6μg/m³
NO₂Good
3μg/m³
OzoneGood
41μg/m³
UV IndexModerate
2.1
Sumas, WA
Sky cover · visibility · 24h
Cloud cover
37%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
50.6mi
UNLIMITED
70 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
18:39 UTC · Sumas, WA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
18:39 UTC · Sumas, WA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Sumas, WA
Satellite · infrared · animated
Sumas, WA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Sumas, WA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:30 AM
Sunrise
10:11 PM
Daylight
16h 04m
Sunset
2:15 PM
Civil dusk
9:59 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Sumas, WA
The moon
Waning Gibbous
79% illuminated
Moonrise
11:20 PM
Moonset
10:10 AM
In sign
♓︎ Pisces
Sumas, WA
Microseason
Jul 1–5

Fireweed Ignites

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Sumas at a glance

  • Today vs. normal: 65°F — typical for the season
  • Last frost: June 9 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 98295

16-Day Forecast — Sumas

  1. Sat69°55°3%
  2. Sun77°52°0%
  3. Mon81°54°0%
  4. Tue79°53°2%
  5. Wed70°56°42%
  6. Thu75°55°3%
  7. Fri81°51°11%
  8. Sat78°54°18%
  9. Sun87°59°12%
  10. Mon87°61°6%
  11. Tue81°56°8%
  12. Wed81°50°11%
  13. Thu92°55°9%
  14. Fri93°60°0%
  15. Sat96°62°3%
  16. Sun92°63°3%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

ZIP codes in Sumas

  • 98295

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.