Live Weather & Forecast

Weather in Hermiston

Oregon, United States · Real-time conditions & 3-day outlook

Flag of United States
Sunny
6°C
Feels like 1°C
42°F / Feels 34°F
Sunny
Hermiston, Oregon
🌞 Daytime
Updated: 2026-04-14 08:00
💧
Humidity
67%
💨
Wind
27.7 km/h SW
🌬️
Wind Gust
34.5 km/h
🌡️
Pressure
1017 mb
👁️
Visibility
16 km
☀️
UV Index
0.5 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
0%
💦
Dew Point
-0.2°C
🌐
Wind Degree
232°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
153.9 μg/m³
NO₂
1.8 μg/m³
O₃
103 μg/m³
SO₂
1.1 μg/m³
PM 2.5
3.2 μg/m³
PM 10
4.9 μg/m³

Weather Alerts 1

Met · Moderate · Expected
Winter Weather Advisory issued April 13 at 10:19PM PDT until April 15 at 11:00PM PDT by NWS Pendleton OR

* WHAT...Moderate to heavy snow expected. Total snow accumulations of 5 to 11 inches expected. Winds gusting as high as 40 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 5 PM Tuesday to 11 PM PDT Wednesday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions....

Slow down and use caution while traveling. In Oregon, the latest road conditions can be obtained by visiting tripcheck.com online, or by calling 5 1 1. In Washington, the latest road conditions can be obtained by visiting the website wsdot.wa.gov/travel.

Effective: 2026-04-13T22:19:00-07:00  ·  Expires: 2026-04-14T13:00:00-07:00

Today's Hourly Forecast

24-hour breakdown for Hermiston, Oregon

12 AM
Clear
9°
Clear
💧 58% 💨 32 km/h
1 AM
Clear
8°
Clear
💧 59% 💨 31.7 km/h
2 AM
Clear
8°
Clear
💧 61% 💨 31 km/h
3 AM
Clear
8°
Clear
💧 62% 💨 29.5 km/h
4 AM
Clear
7°
Clear
💧 62% 💨 27.7 km/h
5 AM
Clear
7°
Clear
💧 64% 💨 26.6 km/h
6 AM
Clear
7°
Clear
💧 61% 💨 26.3 km/h
7 AM
Sunny
8°
Sunny
💧 60% 💨 25.6 km/h
8 AM
Sunny
6°
Sunny
💧 67% 💨 27.7 km/h
9 AM
Sunny
10°
Sunny
💧 52% 💨 34.9 km/h
10 AM
Sunny
11°
Sunny
💧 50% 💨 34.2 km/h
11 AM
Sunny
13°
Sunny
💧 45% 💨 32.4 km/h
12 PM
Sunny
15°
Sunny
💧 42% 💨 32 km/h
1 PM
Sunny
16°
Sunny
💧 39% 💨 30.2 km/h
2 PM
Sunny
17°
Sunny
💧 38% 💨 31.3 km/h
3 PM
Sunny
16°
Sunny
💧 37% 💨 31.3 km/h
4 PM
Overcast
13°
Overcast
💧 45% 💨 27.4 km/h
5 PM
Overcast
12°
Overcast
💧 61% 💨 20.9 km/h
6 PM
Overcast
11°
Overcast
💧 64% 💨 17.6 km/h
7 PM
Overcast
11°
Overcast
💧 62% 💨 27 km/h
8 PM
Overcast
11°
Overcast
💧 56% 💨 25.6 km/h
9 PM
Overcast
11°
Overcast
💧 51% 💨 23.4 km/h
10 PM
Overcast
11°
Overcast
💧 50% 💨 23.4 km/h
11 PM
Partly Cloudy
10°
Partly Cloudy
💧 52% 💨 22.3 km/h

3-Day Forecast

Daily overview for Hermiston, Oregon

Today
Partly Cloudy
Partly Cloudy
18° / 7°
🌧️ 0% chance of rain
💧 Avg. humidity: 54%
💨 Max wind: 34.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:43 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Heavy rain
Heavy rain
9° / 4°
🌧️ 89% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 40 km/h
🌧️ Total precip: 21.94 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:11 AM
🌇 Sunset: 07:44 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Partly Cloudy
Partly Cloudy
13° / 2°
🌧️ 0% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 34.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:09 AM
🌇 Sunset: 07:46 PM
🌙 Waning Crescent
🌑 Moon: 3% lit

Best Time to Visit Hermiston

Plan your trip to Hermiston, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Hermiston 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Hermiston?
Current conditions in Hermiston: Sunny, temperature 6°C, humidity 67%.
What is the best time to visit Hermiston?
The best time to visit Hermiston is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Hermiston?
Hermiston is located at approximately 45.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Hermiston?
The wettest period in Hermiston is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Hermiston?
For visits to Hermiston during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Hermiston in?
Hermiston is located in United States, in the state of Oregon.
What are the public holidays in Hermiston in 2026?
View the 2026 public holidays for Hermiston on our Holidays page.
What are the GPS coordinates used for the weather forecast in Hermiston?
The weather forecast for Hermiston uses coordinates 45.8404, -119.2895.