Observed 10:20 PM PDT at KHRI

Umatilla, OR weather

Clear and 39°4°.

Forecasts agree

Now 39°4°

Clear

Wind: Calm; Light through 10 AM
Dew point: 36°2°; Comfortable
UV tomorrow: 3Moderate; Moderate 12–3 PM · peak 3
Air quality: 26Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.05 inHg1018 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

6°3° cooler than this time yesterday (45°7° then, 39°4° now)

Good hours for

Fog tonight 2–4 AM
Above 50°10° tomorrow by noon
Below 50°10° tomorrow night after 7 PM
Fog tomorrow night 4–6 AM
Fog Monday 8–9 AM

TonightDown to 35°2° by 5 AM · Mostly cloudy
Tomorrow morningUp to 48°9° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 58°14° by 3 PM · Mostly cloudy
Tomorrow nightDown to 39°4° by 2 AM · rain chance 20% · Partly cloudy
Monday morningUp to 47°8° by 11 AM · rain chance 20% · Partly cloudy
Monday afternoonUp to 57°14° by 5 PM · Mostly cloudy
Monday nightDown to 45°7° by 9 PM · Partly 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 10p	Cloudy	41°5° (likely 41°5° to 48°9°)	41°5°	0%	2 mph3 km/h from E, gusts 4 mph6 km/h	72%	80%	0
Sat 11p	Cloudy	39°4° (likely 39°4° to 47°8°)	39°4°	0%	2 mph3 km/h from E, gusts 4 mph6 km/h	74%	77%	0
Sun 12a	Cloudy	38°3° (likely 38°3° to 46°8°)	38°3°	0%	2 mph3 km/h from NE, gusts 3 mph5 km/h	76%	80%	0
Sun 1a	Cloudy	39°4° (likely 39°4° to 46°8°)	39°4°	0%	2 mph3 km/h from NE, gusts 3 mph4 km/h	76%	81%	0
Sun 2a	Fog	38°3° (likely 38°3° to 45°7°)	38°3°	0%	2 mph3 km/h from NE, gusts 3 mph5 km/h	78%	82%	0
Sun 3a	Fog	36°2° (likely 36°2° to 45°7°)	36°2°	0%	2 mph3 km/h from NE, gusts 4 mph7 km/h	79%	78%	0
Sun 4a	Cloudy	36°2° (likely 36°2° to 45°7°)	36°2°	0%	2 mph3 km/h from N, gusts 3 mph6 km/h	80%	81%	0
Sun 5a	Cloudy	35°2° (likely 35°2° to 44°7°)	35°2°	0%	2 mph3 km/h from NE, gusts 3 mph5 km/h	81%	80%	0
Sun 6a	Cloudy	35°2° (likely 35°2° to 44°7°)	35°2°	0%	2 mph3 km/h from NE, gusts 3 mph4 km/h	83%	78%	0
Sun 7a	Cloudy	34°1° (likely 34°1° to 43°6°)	34°1°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	86%	78%	0
Sun 8a	Cloudy	35°2° (likely 35°2° to 43°6°)	35°2°	0%	1 mph2 km/h from E, gusts 3 mph6 km/h	85%	76%	0
Sun 9a	Cloudy	40°4° (likely 40°4° to 47°8°)	40°4°	0%	1 mph2 km/h from N, gusts 3 mph4 km/h	76%	70%	1
Sun 10a	Cloudy	45°7° (likely 45°7° to 51°11°)	45°7°	0%	1 mph2 km/h from N, gusts 3 mph5 km/h	68%	68%	1
Sun 11a	Cloudy	48°9° (likely 48°9° to 54°12°)	48°9°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	63%	76%	2
Sun 12p	Cloudy	52°11° (likely 52°11° to 57°14°)	52°11°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	57%	78%	3
Sun 1p	Cloudy	54°12° (likely 54°12° to 59°15°)	54°12°	0%	2 mph3 km/h from N, gusts 6 mph10 km/h	54%	80%	3
Sun 2p	Cloudy	55°13° (likely 55°13° to 60°16°)	55°13°	0%	5 mph8 km/h from N, gusts 7 mph11 km/h	53%	82%	3
Sun 3p	Cloudy	58°14° (likely 58°14° to 63°17°)	58°14°	0%	5 mph8 km/h from NE, gusts 7 mph12 km/h	54%	81%	2
Sun 4p	Cloudy	55°13° (likely 55°13° to 66°19°)	55°13°	0%	5 mph8 km/h from NE, gusts 7 mph12 km/h	55%	83%	1
Sun 5p	Cloudy	58°14° (likely 57°14° to 64°18°)	58°14°	0%	5 mph8 km/h from NE, gusts 8 mph13 km/h	48%	81%	1
Sun 6p	Cloudy	55°13° (likely 54°12° to 58°14°)	55°13°	0%	3 mph5 km/h from NE, gusts 5 mph8 km/h	56%	82%	0
Sun 7p	Clear	49°9° (likely 49°9° to 54°12°)	49°9°	0%	2 mph3 km/h from NW, gusts 7 mph11 km/h	65%	40%	0
Sun 8p	Mostly cloudy	47°8° (likely 47°8° to 51°11°)	47°8°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	69%	43%	0
Sun 9p	Mostly cloudy	46°8° (likely 46°8° to 50°10°)	46°8°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	73%	43%	0
Sun 10p	Cloudy	44°7° (likely 44°7° to 50°10°)	44°7°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	75%	46%	0
Sun 11p	Cloudy	43°6° (likely 43°6° to 49°9°)	43°6°	10%	2 mph3 km/h from W, gusts 3 mph5 km/h	78%	48%	0
Mon 12a	Cloudy	41°5° (likely 41°5° to 48°9°)	41°5°	10%	2 mph3 km/h from W, gusts 4 mph6 km/h	81%	31%	0
Mon 1a	Cloudy	40°4° (likely 40°4° to 48°9°)	40°4°	10%	1 mph2 km/h from S, gusts 3 mph5 km/h	83%	32%	0
Mon 2a	Clear	39°4° (likely 39°4° to 47°8°)	39°4°	20%	1 mph2 km/h from S, gusts 3 mph5 km/h	87%	36%	0
Mon 3a	Cloudy	39°4° (likely 39°4° to 46°8°)	38°3°	20%	1 mph2 km/h from E, gusts 4 mph6 km/h	89%	74%	0
Mon 4a	Fog	39°4° (likely 39°4° to 46°8°)	37°3°	20%	1 mph2 km/h from N, gusts 5 mph8 km/h	91%	67%	0
Mon 5a	Fog	39°4° (likely 39°4° to 45°7°)	37°3°	20%	1 mph2 km/h from S, gusts 5 mph9 km/h	90%	64%	0
Mon 6a	Clear	37°3° (likely 37°3° to 45°7°)	36°2°	20%	1 mph2 km/h from S, gusts 4 mph6 km/h	94%	26%	0
Mon 7a	Mostly sunny	36°2° (likely 36°2° to 45°7°)	35°2°	20%	1 mph2 km/h from S, gusts 2 mph2 km/h	95%	44%	0
Mon 8a	Fog	36°2° (likely 36°2° to 45°7°)	36°2°	10%	1 mph2 km/h from S, gusts 4 mph6 km/h	95%	69%	0
Mon 9a	Sunny	40°4° (likely 40°4° to 46°8°)	40°4°	10%	1 mph2 km/h from S, gusts 4 mph6 km/h	91%	36%	0
Mon 10a	Fog	45°7° (likely 45°7° to 52°11°)	45°7°	10%	1 mph2 km/h from S, gusts 7 mph12 km/h	87%	67%	1
Mon 11a	Mostly cloudy	47°8° (likely 47°8° to 55°13°)	46°8°	0%	3 mph5 km/h from S, gusts 9 mph15 km/h	82%	76%	2
Mon 12p	Cloudy	51°11° (likely 51°11° to 57°14°)	51°11°	0%	3 mph5 km/h from S, gusts 12 mph19 km/h	79%	72%	2
Mon 1p	Cloudy	52°11° (likely 52°11° to 58°14°)	52°11°	0%	3 mph5 km/h from S, gusts 11 mph18 km/h	76%	71%	2
Mon 2p	Mostly cloudy	54°12° (likely 54°12° to 59°15°)	54°12°	0%	6 mph10 km/h from SW, gusts 13 mph21 km/h	77%	62%	3
Mon 3p	Mostly cloudy	56°13° (likely 56°13° to 60°16°)	56°13°	0%	6 mph10 km/h from SW, gusts 13 mph22 km/h	77%	62%	2
Mon 4p	Mostly cloudy	54°12° (likely 54°12° to 61°16°)	54°12°	0%	6 mph10 km/h from SW, gusts 14 mph23 km/h	77%	58%	1
Mon 5p	Cloudy	57°14° (likely 57°14° to 60°16°)	57°14°	0%	6 mph10 km/h from SW, gusts 14 mph23 km/h	66%	58%	1
Mon 6p	Mostly cloudy	54°12° (likely 54°12° to 57°14°)	54°12°	0%	6 mph10 km/h from SW, gusts 12 mph20 km/h	76%	47%	0
Mon 7p	Mostly cloudy	50°10° (likely 50°10° to 54°12°)	48°9°	0%	6 mph10 km/h from SW, gusts 13 mph21 km/h	85%	49%	0
Mon 8p	Partly cloudy	47°8° (likely 47°8° to 53°12°)	44°7°	0%	6 mph10 km/h from SW, gusts 13 mph21 km/h	92%	41%	0
Mon 9p	Partly cloudy	45°7° (likely 45°7° to 52°11°)	42°6°	0%	6 mph10 km/h from SW, gusts 12 mph19 km/h	97%	32%	0

Days ahead

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

Today, Oct 24. Cloudy. High 59°15°, low 34°1°. Typical 62°17° / 37°3°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Cloudy, 39°4°
  Dry
2. Overnight
  midnight–6 AM
  Fog, 35°2°
  Dry
Official NWS forecast
Tonight: Patchy fog after 2am. Mostly cloudy, with a low around 34. Northeast wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
58°14°–60°16°
Low, likely
31°−1°–37°3°
Typical high / low
62°17° / 37°3°
Wind
5 mph8 km/h, gusts 10 mph16 km/h
UV peak
3
Tomorrow, Oct 25. Fog. High 60°16°, low 36°2°. Typical 62°17° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 39°4°
  Dry
Official NWS forecast
Day: Patchy fog before 8am, then areas of frost and patchy fog between 8am and 11am. Partly sunny. High near 60, with temperatures falling to around 58 in the afternoon. Northeast wind 1 to 5 mph.
Night: Patchy fog and a slight chance of rain showers after 2am. Mostly cloudy. Low around 36, with temperatures rising to around 39 overnight. Northwest wind around 3 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–66°19°
Low, likely
36°2°–43°6°
Typical high / low
62°17° / 36°2°
Wind
7 mph11 km/h, gusts 12 mph19 km/h
UV peak
3
Monday, Oct 26. Mostly cloudy. High 59°15°, low 40°4°. Typical 61°16° / 36°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Mostly cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Official NWS forecast
Day: Patchy fog and a slight chance of rain showers before 11am. Mostly cloudy, with a high near 59. South wind 1 to 6 mph. Chance of precipitation is 20%.
Night: Partly cloudy, with a low around 40. Southwest wind around 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
58°14°–60°16°
Low, likely
39°4°–44°7°
Typical high / low
61°16° / 36°2°
Wind
14 mph23 km/h, gusts 27 mph43 km/h
UV peak
3
Tuesday, Oct 27. Partly sunny. High 60°16°, low 37°3°. Typical 60°16° / 36°2°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 60.
Night: Partly cloudy, with a low around 37.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 60°16°).
High, likely
60°16°–62°17°
Low, likely
37°3°–48°9°
Typical high / low
60°16° / 36°2°
Wind
19 mph31 km/h, gusts 30 mph48 km/h
UV peak
3
Wednesday, Oct 28. Mostly cloudy. High 58°14°, low 31°−1°. Typical 60°16° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 58.
Night: Mostly cloudy, with a low around 31.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–62°17°
Low, likely
31°−1°–45°7°
Typical high / low
60°16° / 36°2°
Wind
16 mph25 km/h, gusts 24 mph38 km/h
UV peak
3
Thursday, Oct 29. Mostly cloudy. High 55°13°, low 30°−1°. Typical 59°15° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 40°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 5pm. Partly sunny, with a high near 55.
Night: A slight chance of rain showers. Partly cloudy, with a low around 30.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–57°14°
Low, likely
30°−1°–40°4°
Typical high / low
59°15° / 36°2°
Wind
12 mph19 km/h, gusts 24 mph39 km/h
UV peak
3
Friday, Oct 30. Showers. High 52°11°, low 28°−2°. Typical 59°15° / 35°2°. Rain 0.01 in0.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 38°4°
  20% chance
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Mostly sunny, with a high near 52.
Night: A slight chance of rain showers before 5am. Partly cloudy, with a low around 28.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–55°13°
Low, likely
28°−2°–41°5°
Typical high / low
59°15° / 35°2°
Wind
9 mph15 km/h, gusts 15 mph24 km/h
UV peak
3
Saturday, Oct 31. Partly sunny. High 51°11°, low 37°3°. Typical 58°14° / 35°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 40°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 5pm. Mostly sunny, with a high near 51.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
49°9°–56°13°
Low, likely
31°−1°–42°6°
Typical high / low
58°14° / 35°2°
Wind
5 mph9 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 54°12°, low 38°3°. Typical 58°14° / 35°2°. Rain 0.03 in0.8 mm, 10% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  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
49°9°–61°16°
Low, likely
35°2°–41°5°
Typical high / low
58°14° / 35°2°
Wind
9 mph15 km/h, gusts 22 mph35 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 55°13°, low 41°5°. Typical 57°14° / 35°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  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
51°11°–59°15°
Low, likely
39°4°–45°7°
Typical high / low
57°14° / 35°2°
Wind
22 mph36 km/h, gusts 40 mph64 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 59°, low 34°.
Tomorrow
Dry, high 60°, low 36°.
Monday
Dry, high 59°, low 40°.
Rest of week
Mostly dry, highs 51–60°.

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

Yakima River at Kiona

24 mi

Below flood stage

Level: 4.3 ft
Flow: 1,950 cfs

Forecast peak 4.5 ft Sat 11 AM

Reading from Sat 9:30 PM · NWS gauge page

Umatilla River at Umatilla

1.0 mi

Level: 2.9 ft
Flow: 210 cfs

Reading from Sat 9:30 PM · NWS gauge page

Umatilla River near Yoakum

22 mi

Level: 1.5 ft

Reading from Sat 10 PM · NWS gauge page

For your home

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

Heating this week

About 67% less heating than a typical week.

This week 39Typical 118

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 30
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 15 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 36°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Hermiston Municipal Airport · official normals 1991–2020 · records 1998–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° colder than typical.

Last 7 days vs normal

On average 3°2° colder than normal (daily mean temperature).

−3°−2°MonOct 19
−2°−1°TueOct 20
−1°WedOct 21
−7°−4°ThuOct 22
−1°FriOct 23
—SatOct 24
—SunOct 25

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

Sun & moon

Sun

Daylight: 10 h 29 min; Losing 3 min 3 s a day; shortest Dec 21, 1 h 50 min less
Golden hour: 5:13–6:14 PM; Morning 7:07–8:08 AM
Blue hour: 6:14–6:26 PM; Morning 6:56–7:07 AM; first light 6:56 AM

Stars tonight? Poor

Clouds most of the night (about 80% cover).

Moon

Waxing gibbous

99% lit · growing

Today: sets 5:43 AM · rises 4:56 PM
Full moon: Oct 25
New moon: Nov 8

Looking southeast from Umatilla. The highest point on the skyline is about 5,900 ft, 48 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.