Freeze Warning
Ends in 6 h 48 min
When
From 11 PM this evening to 10 AM PDT Saturday.
Where
Eastern Columbia River Gorge of Oregon and Washington, Lower Columbia Basin of Oregon and Washington, Foothills of the Northern Blue Mountains of Oregon, Yakima Valley, and Foothills of the Blue Mountains of Washington.
Issued for this forecast zone · National Weather Service Pendleton OR
What, impacts and precautionsHide details
What
Sub-freezing temperatures of 25 to 32 expected.
Impacts
Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Foothills of the Northern Blue Mountains of Oregon; Eastern Columbia River Gorge of Washington; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington
See it on weather.gov (opens in a new tab)

Observed 2:55 AM PDT at KALW

Dayton, WA weather

Freeze Warning. 45°7° and clear now.

Forecasts agree

Now 45°7°

Clear

Wind: 3 mph5 km/h; From the east-southeast. Light through 3 PM
Dew point: 30°−1°; Dry, static shocks likely
UV tomorrow: 3Moderate; Moderate 12–3 PM · peak 3
Air quality: 14Good; Main pollutant: Ozone
Pressure: 30.28 inHg1025 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 34°1° today at 7 AM
Above 50°10° today by 11 AM
High 59°15° today at 3 PM
Below 50°10° tonight after 7 PM

TonightNear 37°3° · Clear
This morningUp to 51°11° by 11 AM · Partly cloudy
This afternoonNear 56°13° · Mostly cloudy
TonightDown to 42°6° by 4 AM · Mostly cloudy
Tomorrow morningUp to 55°13° by 11 AM · Mostly cloudy
Tomorrow afternoonNear 59°15° · Mostly cloudy
Tomorrow nightDown to 45°7° by 1 AM · Cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 3a	Clear	38°3° (likely 38°3° to 42°6°)	36°2°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	65%	0%	0
Sat 4a	Clear	37°3° (likely 37°3° to 42°6°)	37°3°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	65%	1%	0
Sat 5a	Clear	36°2° (likely 36°2° to 42°6°)	36°2°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	65%	40%	0
Sat 6a	Clear	35°2° (likely 35°2° to 41°5°)	35°2°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	66%	40%	0
Sat 7a	Sunny	34°1° (likely 34°1° to 40°4°)	34°1°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	64%	41%	0
Sat 8a	Sunny	35°2° (likely 35°2° to 40°4°)	35°2°	0%	2 mph3 km/h from SE, gusts 4 mph6 km/h	65%	37%	0
Sat 9a	Partly sunny	39°4° (likely 39°4° to 43°6°)	39°4°	0%	2 mph3 km/h from SE, gusts 4 mph7 km/h	61%	45%	0
Sat 10a	Partly sunny	46°8° (likely 46°8° to 49°9°)	46°8°	0%	0 mph0 km/h, gusts 3 mph5 km/h	50%	51%	1
Sat 11a	Partly sunny	51°11° (likely 50°10° to 54°12°)	51°11°	0%	1 mph2 km/h from N, gusts 3 mph5 km/h	42%	68%	2
Sat 12p	Cloudy	56°13° (likely 52°11° to 57°14°)	56°13°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	37%	67%	2
Sat 1p	Cloudy	56°13° (likely 54°12° to 57°14°)	56°13°	0%	2 mph3 km/h from N, gusts 5 mph9 km/h	37%	71%	2
Sat 2p	Mostly sunny	57°14° (likely 55°13° to 57°14°)	57°14°	0%	2 mph3 km/h from N, gusts 6 mph9 km/h	33%	58%	2
Sat 3p	Mostly sunny	59°15° (likely 55°13° to 59°15°)	59°15°	0%	2 mph3 km/h from N, gusts 6 mph10 km/h	33%	61%	1
Sat 4p	Cloudy	57°14° (likely 55°13° to 57°14°)	57°14°	0%	2 mph3 km/h from N, gusts 6 mph10 km/h	34%	55%	1
Sat 5p	Cloudy	55°13° (likely 54°12° to 55°13°)	55°13°	0%	2 mph3 km/h from N, gusts 7 mph11 km/h	40%	62%	1
Sat 6p	Cloudy	52°11° (likely 49°9° to 52°11°)	52°11°	0%	2 mph3 km/h from NE, gusts 7 mph11 km/h	47%	72%	0
Sat 7p	Cloudy	49°9° (likely 47°8° to 49°9°)	48°9°	0%	3 mph5 km/h from E, gusts 5 mph8 km/h	49%	75%	0
Sat 8p	Cloudy	45°7° (likely 45°7° to 47°8°)	43°6°	0%	5 mph8 km/h from SE, gusts 7 mph11 km/h	54%	72%	0
Sat 9p	Partly cloudy	44°7° (likely 44°7° to 46°8°)	42°6°	0%	3 mph5 km/h from SE, gusts 7 mph12 km/h	56%	74%	0
Sat 10p	Cloudy	44°7° (likely 44°7° to 47°8°)	43°6°	0%	3 mph5 km/h from SE, gusts 8 mph12 km/h	55%	68%	0
Sat 11p	Cloudy	43°6° (likely 43°6° to 48°9°)	43°6°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	56%	78%	0
Sun 12a	Cloudy	43°6° (likely 43°6° to 48°9°)	43°6°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	56%	70%	0
Sun 1a	Cloudy	44°7° (likely 43°6° to 49°9°)	44°7°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	55%	63%	0
Sun 2a	Cloudy	43°6° (likely 43°6° to 49°9°)	43°6°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	54%	67%	0
Sun 3a	Cloudy	43°6° (likely 43°6° to 50°10°)	43°6°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	56%	76%	0
Sun 4a	Cloudy	42°6° (likely 42°6° to 50°10°)	42°6°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	56%	79%	0
Sun 5a	Cloudy	42°6° (likely 42°6° to 50°10°)	42°6°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	58%	79%	0
Sun 6a	Cloudy	41°5° (likely 41°5° to 49°9°)	41°5°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	61%	79%	0
Sun 7a	Cloudy	39°4° (likely 39°4° to 49°9°)	39°4°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	60%	60%	0
Sun 8a	Mostly cloudy	42°6° (likely 42°6° to 50°10°)	42°6°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	62%	49%	0
Sun 9a	Mostly cloudy	44°7° (likely 44°7° to 53°12°)	44°7°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	59%	63%	1
Sun 10a	Mostly cloudy	50°10° (likely 50°10° to 58°14°)	50°10°	0%	2 mph3 km/h from SE, gusts 4 mph6 km/h	53%	69%	1
Sun 11a	Cloudy	55°13° (likely 55°13° to 61°16°)	55°13°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	45%	77%	2
Sun 12p	Cloudy	59°15° (likely 59°15° to 63°17°)	59°15°	0%	2 mph3 km/h from NW, gusts 6 mph10 km/h	40%	73%	3
Sun 1p	Cloudy	59°15° (likely 59°15° to 64°18°)	59°15°	0%	2 mph3 km/h from NW, gusts 8 mph13 km/h	42%	72%	3
Sun 2p	Cloudy	61°16° (likely 60°16° to 65°18°)	61°16°	0%	2 mph3 km/h from N, gusts 7 mph12 km/h	38%	75%	3
Sun 3p	Cloudy	62°17° (likely 60°16° to 65°18°)	62°17°	0%	2 mph3 km/h from N, gusts 7 mph11 km/h	38%	76%	2
Sun 4p	Cloudy	60°16° (likely 59°15° to 65°18°)	60°16°	0%	2 mph3 km/h from N, gusts 8 mph13 km/h	41%	80%	1
Sun 5p	Cloudy	58°14° (likely 58°14° to 61°16°)	58°14°	5%	2 mph3 km/h from NE, gusts 8 mph13 km/h	48%	81%	1
Sun 6p	Cloudy	55°13° (likely 55°13° to 58°14°)	55°13°	5%	2 mph3 km/h from NE, gusts 6 mph10 km/h	53%	81%	0
Sun 7p	Cloudy	52°11° (likely 52°11° to 56°13°)	52°11°	5%	2 mph3 km/h from NE, gusts 6 mph10 km/h	56%	81%	0
Sun 8p	Cloudy	49°9° (likely 49°9° to 55°13°)	48°9°	5%	3 mph5 km/h from SE, gusts 6 mph9 km/h	57%	78%	0
Sun 9p	Cloudy	47°8° (likely 47°8° to 55°13°)	46°8°	5%	3 mph5 km/h from SE, gusts 6 mph10 km/h	59%	82%	0
Sun 10p	Cloudy	46°8° (likely 46°8° to 53°12°)	45°7°	5%	3 mph5 km/h from SE, gusts 6 mph10 km/h	61%	85%	0
Sun 11p	Cloudy	46°8° (likely 46°8° to 54°12°)	46°8°	5%	1 mph2 km/h from S, gusts 5 mph8 km/h	63%	92%	0
Mon 12a	Cloudy	46°8° (likely 44°7° to 51°11°)	46°8°	5%	1 mph2 km/h from S, gusts 5 mph8 km/h	64%	94%	0
Mon 1a	Cloudy	45°7° (likely 44°7° to 52°11°)	45°7°	5%	1 mph2 km/h from S, gusts 5 mph8 km/h	64%	91%	0
Mon 2a	Cloudy	45°7° (likely 44°7° to 51°11°)	45°7°	5%	1 mph2 km/h from S, gusts 4 mph7 km/h	65%	88%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 59°15°, low 33°1°. Typical 59°15° / 36°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 42°6°
  Dry
Official NWS forecast
Today: Mostly sunny. High near 59, with temperatures falling to around 55 in the afternoon. East wind around 2 mph.
Tonight: Mostly clear. Low around 33, with temperatures rising to around 36 overnight. Southeast wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
55°13°–59°15°
Low, likely
33°1°–39°4°
Typical high / low
59°15° / 36°2°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
3
Tomorrow, Oct 25. Cloudy. High 63°17°, low 38°3°. Typical 58°14° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly cloudy, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  Dry
Official NWS forecast
Day: Cloudy, with a high near 63. Northeast wind around 2 mph.
Night: Mostly cloudy, with a low around 38. Southeast wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–66°19°
Low, likely
38°3°–48°9°
Typical high / low
58°14° / 35°2°
Wind
9 mph15 km/h, gusts 16 mph26 km/h
UV peak
3
Monday, Oct 26. Showers. High 57°14°, low 37°3°. Typical 58°14° / 35°2°. Rain 0.06 in1.5 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 54°12°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 48°9°
  20% chance
4. Overnight
  midnight–6 AM
  Rain, 47°8°
  30% chance · 0.07 in1.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers after 11am. Partly sunny, with a high near 57. Chance of precipitation is 40%.
Night: A chance of rain showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–57°14°
Low, likely
37°3°–47°8°
Typical high / low
58°14° / 35°2°
Wind
12 mph19 km/h, gusts 24 mph38 km/h
UV peak
3
Tuesday, Oct 27. Showers. High 55°13°, low 36°2°. Typical 57°14° / 35°2°. Rain 0.08 in2 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers before 5pm. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Night: A slight chance of rain showers after 5am. Mostly cloudy, with a low around 36.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–55°13°
Low, likely
36°2°–47°8°
Typical high / low
57°14° / 35°2°
Wind
20 mph32 km/h, gusts 36 mph58 km/h
UV peak
2
Wednesday, Oct 28. Showers. High 56°13°, low 33°1°. Typical 57°14° / 34°1°. Rain 0.06 in1.5 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 45°7°
  30% chance · 0.04 in1 mm
2. Afternoon
  noon–6 PM
  Partly sunny, 54°12°
  30% chance
3. Evening
  6 PM–midnight
  Mostly clear, 45°7°
  20% chance
4. Overnight
  midnight–6 AM
  Partly cloudy, 41°5°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 56.
Night: A chance of rain showers. Mostly cloudy, with a low around 33.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
50°10°–56°13°
Low, likely
33°1°–46°8°
Typical high / low
57°14° / 34°1°
Wind
17 mph28 km/h, gusts 29 mph47 km/h
UV peak
3
Thursday, Oct 29. Cloudy. High 53°12°, low 31°−1°. Typical 56°13° / 34°1°. Rain 0.02 in0.5 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 41°5°
  20% chance
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 53.
Night: A slight chance of rain showers before 11pm. Partly cloudy, with a low around 31.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–53°12°
Low, likely
31°−1°–43°6°
Typical high / low
56°13° / 34°1°
Wind
12 mph20 km/h, gusts 23 mph36 km/h
UV peak
3
Friday, Oct 30. Partly sunny. High 52°11°, low 37°3°. Typical 56°13° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 42°5°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 52.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
46°8°–52°11°
Low, likely
33°1°–41°5°
Typical high / low
56°13° / 34°1°
Wind
10 mph15 km/h, gusts 23 mph37 km/h
UV peak
3
Saturday, Oct 31. Snow. High 44°7°, low 35°2°. Typical 56°13° / 34°1°. Snow 0–1 in0–3 cm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 38°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 43°6°
  Dry
3. Evening
  6 PM–midnight
  Clear, 37°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
39°4°–53°12°
Low, likely
30°−1°–40°4°
Typical high / low
56°13° / 34°1°
Wind
10 mph16 km/h, gusts 19 mph31 km/h
UV peak
3
Sunday, Nov 1. Sunny. High 49°9°, low 33°1°. Typical 55°13° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 49°9°
  Dry
3. Evening
  6 PM–midnight
  Clear, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
46°8°–53°12°
Low, likely
30°−1°–38°3°
Typical high / low
55°13° / 34°1°
Wind
13 mph21 km/h, gusts 23 mph36 km/h
UV peak
3
Monday, Nov 2. Sunny. High 48°9°, low 34°1°. Typical 55°13° / 33°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 38°3°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
47°8°–51°11°
Low, likely
28°−2°–38°3°
Typical high / low
55°13° / 33°1°
Wind
7 mph12 km/h, gusts 13 mph20 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 59°, low 33°.
Tomorrow
Dry, high 63°, low 38°, warming up.
Monday
37% chance of rain, high 57°, low 37°, cooling off.
Rest of week
Mostly dry, highs 44–56°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (PDT) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

North Fork Touchet River above Dayton

1.8 mi

Level: 2.6 ft

Reading from Fri 11:30 PM · NWS gauge page

Touchet River at Gallaher Road

7.0 mi

Level: 7.6 ft
Flow: 59 cfs

Reading from Sat 2:15 AM · NWS gauge page

Touchet River near Bolles

12 mi

Level: 3.1 ft

Reading from Fri 11:45 PM · NWS gauge page

Tucannon River near Starbuck

14 mi

Level: 8.1 ft
Flow: 95 cfs

Reading from Sat 1:45 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 75% less heating than a typical week.

This week 34Typical 133

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 27
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 30°F).

Open the windows?

Sun, 2:00 PM–4:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Dayton 1 Wsw · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 0° warmer than normal (daily mean temperature).

+2°+1°SunOct 18
±0°MonOct 19
±0°TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Dayton weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 28 min; Losing 3 min 3 s a day; shortest Dec 21, 1 h 52 min less
Golden hour: 5:07–6:08 PM; Morning 7:03–8:04 AM
Blue hour: 6:08–6:20 PM; Morning 6:51–7:03 AM; first light 6:51 AM

Stars tonight? Fair

Mostly clear 3:12–5 AM, but the moon is 96% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:37 AM · rises 4:50 PM
Full moon: Oct 25
New moon: Nov 8

Looking southeast from Dayton. The highest point on the skyline is about 5,500 ft, 14 mi away.Skyline from USGS elevation data, heights drawn up to 2.5× taller. Sky, sun and moon as they are now.

1 active weather alert

Freeze Warning