Hermiston, OR weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Hermiston now
Loading the National Weather Service forecast…
Hermiston weather by the hour
Hermiston weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Hermiston.
This week in Hermiston
Sunrise, sunset and moon in Hermiston
What is the weather usually like in Hermiston?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 93°F average high
- Decembercoldest month · 28°F average low
- 8.6 inprecipitation per year · 219 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Hermiston: April to June and September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station HERMISTON MUNI AP, OR US (USW00004113), adjusted for the elevation of Hermiston.
Hermiston weather month by month
Sunrise and sunset in Hermiston through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:32 AM | 4:40 PM | 9 h 8 min |
| February | 6:57 AM | 5:25 PM | 10 h 28 min |
| March | 7:07 AM | 7:04 PM | 11 h 57 min |
| April | 6:08 AM | 7:45 PM | 13 h 36 min |
| May | 5:23 AM | 8:23 PM | 15 h 0 min |
| June | 5:04 AM | 8:50 PM | 15 h 46 min |
| July | 5:20 AM | 8:45 PM | 15 h 25 min |
| August | 5:56 AM | 8:07 PM | 14 h 11 min |
| September | 6:34 AM | 7:10 PM | 12 h 35 min |
| October | 7:12 AM | 6:12 PM | 11 h 0 min |
| November | 6:55 AM | 4:27 PM | 9 h 31 min |
| December | 7:30 AM | 4:14 PM | 8 h 44 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Hermiston?
Hermiston has a cold semi-arid climate. The warmest month is July, with an average high of 93°F (34°C), and the coldest is December, with average lows of 28°F (-2°C).
It gets about 8.6 inches (219 mm) of precipitation a year. The wettest month is January and the driest is July.
The best time to visit Hermiston is April to June and September. At 643 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Hermiston
Weather in towns near Hermiston
Questions about the weather in Hermiston
What is the hottest month in Hermiston?
July, with an average high of 93°F (34°C).
What is the coldest month in Hermiston?
December, with an average low of 28°F (-2°C).
How much does it rain in Hermiston?
About 8.6 inches (219 mm) a year; the wettest month is January.
Does it snow in Hermiston?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Hermiston?
April to June and September, when temperatures are most pleasant and rainy days are fewer.
What climate does Hermiston have?
Cold semi-arid (Köppen BSk).
What is the weather like in Hermiston in November?
Highs average 51°F and lows 32°F, with about 1.1 inches of precipitation.
What time is sunrise in Hermiston?
Around 6:55 AM in mid-November, and sunset around 4:27 PM. Today’s exact times are shown above.
Where does this Hermiston weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Hermiston.
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