Observed 8:45 AM PDT at KHRI

Hermiston, OR weather

Mostly sunny and 37°3°.

Forecasts agree

Now 37°3°

Mostly sunny

Wind: Calm; Up to 5 mph8 km/h through 9 PM
Dew point: 36°2°; Comfortable
Humidity: 93%; Air 37°3°, dew point 36°2° · fog or dew likely
UV tomorrow: 3Moderate; Moderate 2–3 PM · peak 3
Air quality: 30Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.04 inHg1017 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Above 50°10° today by noon
High 57°14° today at 3 PM
Below 50°10° tonight after 7 PM
Fog tomorrow 7–9 AM
Low 36°2° tomorrow at 7 AM

This morningUp to 48°9° by 11 AM · Mostly cloudy
This afternoonUp to 57°14° by 3 PM · Mostly cloudy
TonightDown to 38°3° by 2 AM · rain chance 20% · Partly cloudy
Tomorrow morningUp to 48°9° by 11 AM · rain chance 20% · Mostly cloudy
Tomorrow afternoonUp to 56°13° by 3 PM · Mostly cloudy
Tomorrow nightDown to 42°6° by midnight · Partly cloudy
Tuesday morningNear 41°5° · Mostly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sun 9a	Cloudy	39°4° (likely 38°3° to 43°6°)	39°4°	0%	2 mph3 km/h from SE, gusts 2 mph4 km/h	78%	71%	0
Sun 10a	Cloudy	44°7° (likely 44°7° to 48°9°)	44°7°	0%	2 mph3 km/h from N, gusts 3 mph5 km/h	71%	73%	1
Sun 11a	Partly sunny	48°9° (likely 48°9° to 52°11°)	48°9°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	65%	73%	1
Sun 12p	Cloudy	51°11° (likely 51°11° to 55°13°)	51°11°	0%	3 mph5 km/h from N, gusts 6 mph10 km/h	59%	75%	2
Sun 1p	Cloudy	53°12° (likely 53°12° to 58°14°)	53°12°	0%	3 mph5 km/h from N, gusts 6 mph10 km/h	58%	78%	2
Sun 2p	Cloudy	54°12° (likely 54°12° to 60°16°)	54°12°	0%	5 mph8 km/h from N, gusts 7 mph11 km/h	55%	80%	2
Sun 3p	Cloudy	57°14° (likely 57°14° to 60°16°)	57°14°	0%	5 mph8 km/h from N, gusts 8 mph12 km/h	55%	79%	1
Sun 4p	Cloudy	55°13° (likely 55°13° to 60°16°)	55°13°	0%	5 mph8 km/h from NE, gusts 8 mph13 km/h	56%	78%	1
Sun 5p	Partly sunny	57°14° (likely 57°14° to 59°15°)	57°14°	0%	3 mph5 km/h from NE, gusts 8 mph12 km/h	51%	79%	1
Sun 6p	Cloudy	54°12° (likely 54°12° to 55°13°)	54°12°	0%	2 mph3 km/h from NE, gusts 8 mph13 km/h	58%	81%	0
Sun 7p	Cloudy	49°9° (likely 49°9° to 53°12°)	49°9°	0%	2 mph3 km/h from NE, gusts 4 mph7 km/h	67%	83%	0
Sun 8p	Cloudy	47°8° (likely 47°8° to 51°11°)	47°8°	0%	2 mph3 km/h from W, gusts 5 mph7 km/h	70%	85%	0
Sun 9p	Cloudy	45°7° (likely 45°7° to 50°10°)	45°7°	0%	2 mph3 km/h from SW, gusts 5 mph8 km/h	76%	85%	0
Sun 10p	Cloudy	43°6° (likely 43°6° to 49°9°)	43°6°	0%	2 mph3 km/h from SW, gusts 6 mph10 km/h	77%	86%	0
Sun 11p	Cloudy	41°5° (likely 41°5° to 47°8°)	41°5°	10%, 0.01 in0.3 mm	2 mph3 km/h from SW, gusts 6 mph10 km/h	80%	83%	0
Mon 12a	Cloudy	40°4° (likely 40°4° to 46°8°)	40°4°	10%, 0.01 in0.3 mm	2 mph3 km/h from SW, gusts 7 mph11 km/h	82%	37%	0
Mon 1a	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	10%, 0.01 in0.3 mm	2 mph3 km/h from S, gusts 5 mph8 km/h	85%	13%	0
Mon 2a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	20%, 0.01 in0.3 mm	2 mph3 km/h from S, gusts 4 mph7 km/h	87%	29%	0
Mon 3a	Clear	39°4° (likely 39°4° to 43°6°)	39°4°	20%, 0.01 in0.3 mm	2 mph3 km/h from SW, gusts 3 mph5 km/h	88%	32%	0
Mon 4a	Clear	38°3° (likely 38°3° to 42°6°)	38°3°	20%, 0.01 in0.3 mm	2 mph3 km/h from S, gusts 3 mph5 km/h	90%	32%	0
Mon 5a	Cloudy	38°3° (likely 38°3° to 42°6°)	38°3°	20%	2 mph3 km/h from S, gusts 3 mph4 km/h	90%	70%	0
Mon 6a	Cloudy	37°3° (likely 37°3° to 42°6°)	37°3°	20%	2 mph3 km/h from S, gusts 3 mph5 km/h	93%	69%	0
Mon 7a	Fog	36°2° (likely 36°2° to 42°6°)	36°2°	20%	2 mph3 km/h from S, gusts 5 mph7 km/h	95%	65%	0
Mon 8a	Fog	36°2° (likely 36°2° to 43°6°)	36°2°	5%	2 mph3 km/h from S, gusts 5 mph9 km/h	94%	72%	0
Mon 9a	Cloudy	40°4° (likely 40°4° to 45°7°)	40°4°	5%	2 mph3 km/h from S, gusts 3 mph4 km/h	89%	85%	0
Mon 10a	Cloudy	45°7° (likely 45°7° to 49°9°)	45°7°	5%	2 mph3 km/h from S, gusts 7 mph11 km/h	85%	90%	1
Mon 11a	Cloudy	48°9° (likely 48°9° to 55°13°)	47°8°	0%	3 mph5 km/h from SW, gusts 11 mph18 km/h	79%	96%	1
Mon 12p	Cloudy	51°11° (likely 51°11° to 56°13°)	51°11°	0%	3 mph5 km/h from SW, gusts 10 mph15 km/h	76%	90%	1
Mon 1p	Cloudy	51°11° (likely 51°11° to 58°14°)	51°11°	0%	3 mph5 km/h from SW, gusts 13 mph22 km/h	77%	94%	2
Mon 2p	Mostly cloudy	53°12° (likely 53°12° to 59°15°)	53°12°	0%	7 mph11 km/h from SW, gusts 15 mph23 km/h	75%	64%	3
Mon 3p	Mostly cloudy	56°13° (likely 56°13° to 61°16°)	56°13°	0%	7 mph11 km/h from SW, gusts 15 mph23 km/h	75%	61%	2
Mon 4p	Mostly cloudy	53°12° (likely 53°12° to 61°16°)	53°12°	0%	7 mph11 km/h from SW, gusts 16 mph25 km/h	75%	51%	1
Mon 5p	Mostly cloudy	56°13° (likely 56°13° to 60°16°)	56°13°	0%	6 mph10 km/h from SW, gusts 15 mph24 km/h	66%	58%	1
Mon 6p	Mostly cloudy	54°12° (likely 52°11° to 56°13°)	54°12°	0%	6 mph10 km/h from SW, gusts 18 mph29 km/h	75%	61%	0
Mon 7p	Mostly cloudy	51°11° (likely 51°11° to 53°12°)	51°11°	0%	6 mph10 km/h from SW, gusts 10 mph16 km/h	83%	56%	0
Mon 8p	Partly cloudy	47°8° (likely 47°8° to 52°11°)	44°7°	0%	7 mph11 km/h from SW, gusts 9 mph15 km/h	89%	59%	0
Mon 9p	Partly cloudy	45°7° (likely 45°7° to 51°11°)	41°5°	0%	7 mph11 km/h from SW, gusts 10 mph16 km/h	94%	57%	0
Mon 10p	Clear	44°7° (likely 44°7° to 51°11°)	40°4°	0%	7 mph11 km/h from SW, gusts 8 mph13 km/h	97%	15%	0
Mon 11p	Mostly clear	43°6° (likely 43°6° to 50°10°)	39°4°	5%	6 mph10 km/h from SW, gusts 8 mph13 km/h	99%	17%	0
Tue 12a	Partly cloudy	42°6° (likely 42°6° to 48°9°)	38°3°	5%	6 mph10 km/h from SW, gusts 8 mph14 km/h	99%	29%	0
Tue 1a	Partly cloudy	42°6° (likely 42°6° to 48°9°)	38°3°	5%	6 mph10 km/h from SW, gusts 9 mph15 km/h	98%	67%	0
Tue 2a	Partly cloudy	43°6° (likely 43°6° to 48°9°)	39°4°	5%	7 mph11 km/h from SW, gusts 7 mph11 km/h	97%	70%	0
Tue 3a	Clear	42°6° (likely 42°6° to 48°9°)	38°3°	5%	7 mph11 km/h from SW, gusts 6 mph10 km/h	96%	49%	0
Tue 4a	Partly cloudy	43°6° (likely 43°6° to 48°9°)	39°4°	5%	7 mph11 km/h from SW, gusts 8 mph13 km/h	95%	63%	0
Tue 5a	Mostly cloudy	42°6° (likely 42°6° to 49°9°)	37°3°	5%	7 mph11 km/h from SW, gusts 11 mph18 km/h	95%	78%	0
Tue 6a	Mostly cloudy	41°5° (likely 41°5° to 50°10°)	36°2°	5%	7 mph11 km/h from SW, gusts 8 mph13 km/h	97%	76%	0
Tue 7a	Mostly cloudy	40°4° (likely 40°4° to 50°10°)	35°2°	5%	7 mph11 km/h from SW, gusts 7 mph11 km/h	98%	69%	0
Tue 8a	Mostly cloudy	40°4° (likely 40°4° to 50°10°)	35°2°	5%	7 mph11 km/h from SW, gusts 9 mph14 km/h	97%	75%	0

Days ahead

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

Today, Oct 25. Fog. High 59°15°, low 36°2°. Typical 62°17° / 36°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Official NWS forecast
Today: Areas of frost and patchy fog before 11am. Partly sunny. High near 59, with temperatures falling to around 57 in the afternoon. Northeast wind around 5 mph.
Tonight: Patchy frost and patchy fog and a slight chance of rain showers after 2am. Mostly cloudy. Low around 36, with temperatures rising to around 38 overnight. South wind around 2 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–61°16°
Low, likely
35°2°–40°4°
Typical high / low
62°17° / 36°2°
Wind
7 mph11 km/h
UV peak
3
Tomorrow, Oct 26. Mostly cloudy. High 58°14°, low 40°4°. Typical 61°16° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Mostly cloudy, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°6°
  Dry
Official NWS forecast
Day: Patchy fog and a slight chance of rain showers before 11am. Mostly cloudy. High near 58, with temperatures falling to around 56 in the afternoon. Southwest wind 2 to 7 mph. Chance of precipitation is 20%.
Night: Partly cloudy, with a low around 40. Southwest wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–61°16°
Low, likely
38°3°–42°6°
Typical high / low
61°16° / 36°2°
Wind
16 mph25 km/h, gusts 24 mph38 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, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 60. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.
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°–63°17°
Low, likely
37°3°–49°9°
Typical high / low
60°16° / 36°2°
Wind
20 mph32 km/h, gusts 29 mph46 km/h
UV peak
3
Wednesday, Oct 28. Mostly cloudy. High 58°14°, low 32°0°. Typical 60°16° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 41°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 58.
Night: A slight chance of rain showers after 11pm. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–60°16°
Low, likely
32°0°–45°7°
Typical high / low
60°16° / 36°2°
Wind
16 mph26 km/h, gusts 27 mph44 km/h
UV peak
3
Thursday, Oct 29. Showers. High 54°12°, low 30°−1°. Typical 59°15° / 36°2°. Rain 0.01 in0.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 42°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Partly sunny, with a high near 54.
Night: A chance of rain showers. Mostly cloudy, with a low around 30.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–58°14°
Low, likely
30°−1°–42°6°
Typical high / low
59°15° / 36°2°
Wind
10 mph17 km/h, gusts 20 mph32 km/h
UV peak
3
Friday, Oct 30. Showers. High 51°11°, low 27°−3°. Typical 59°15° / 35°2°. Rain 0.04 in1 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 40°5°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 45°7°
  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 51.
Night: A slight chance of rain showers before 5am. Partly cloudy, with a low around 27.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–55°13°
Low, likely
27°−3°–43°6°
Typical high / low
59°15° / 35°2°
Wind
9 mph14 km/h, gusts 16 mph26 km/h
UV peak
3
Saturday, Oct 31. Partly sunny. High 50°10°, low 27°−3°. Typical 58°14° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 53°11°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 39°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 50.
Night: A slight chance of rain showers before 11pm. Partly cloudy, with a low around 27.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
50°10°–55°13°
Low, likely
27°−3°–42°6°
Typical high / low
58°14° / 35°2°
Wind
8 mph13 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 52°11°, low 37°3°. Typical 58°14° / 35°2°. Rain 0.07 in1.8 mm, 10% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 43°6°
  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 agreeIndependent forecasts are close; the range is narrow.
High, likely
51°11°–53°12°
Low, likely
30°−1°–42°6°
Typical high / low
58°14° / 35°2°
Wind
11 mph17 km/h, gusts 21 mph34 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 57°14°, low 40°4°. Typical 57°14° / 35°2°. Rain 0.01 in0.3 mm, 10% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 58°15°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°4°
  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
54°12°–64°18°
Low, likely
36°2°–46°8°
Typical high / low
57°14° / 35°2°
Wind
19 mph30 km/h, gusts 35 mph56 km/h
UV peak
3
Tuesday, Nov 3. Cloudy. High 54°12°, low 41°5°. Typical 57°14° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  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
50°10°–59°15°
Low, likely
34°1°–47°8°
Typical high / low
57°14° / 34°1°
Wind
6 mph9 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 59°, low 36°.
Tomorrow
Dry, high 58°, low 40°.
Tuesday
Dry, high 60°, low 37°.
Rest of week
Mostly dry, highs 50–58°.

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

Umatilla River at Umatilla

5.2 mi

Level: 2.9 ft
Flow: 206 cfs

Reading from Sun 7:30 AM · NWS gauge page

Umatilla River near Yoakum

16 mi

Level: 1.5 ft

Reading from Sun 8 AM · NWS gauge page

Butter Creek near Pine City

20 mi

Level: 1.1 ft
Flow: 4 cfs

Reading from Sun 8:15 AM · NWS gauge page

For your home

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

Heating this week

About 69% less heating than a typical week.

This week 38Typical 121

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 29
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 18 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 25, 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
−5°−3°SatOct 24
—SunOct 25

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

Sun & moon

Sun

Daylight: 10 h 26 min; Losing 2 min 53 s a day; shortest Dec 21, 1 h 46 min less
Golden hour: 5:11–6:12 PM; Morning 7:08–8:09 AM
Blue hour: 6:12–6:24 PM; Morning 6:57–7:08 AM; first light 6:57 AM

Stars tonight? Poor

Clouds most of the night (about 60% cover).

Moon

Waxing gibbous

100% lit · growing

Today: sets 7:00 AM · rises 5:19 PM
Full moon: Today, 9:12 PM
New moon: Nov 8

Looking southeast from Hermiston. The highest point on the skyline is about 5,900 ft, 43 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.