O'Brien, OR weather

Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month

Weather in O'Brien now

Loading the National Weather Service forecast…

O'Brien weather by the hour

O'Brien weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of O'Brien.

This week in O'Brien

Sunrise, sunset and moon in O'Brien

What is the weather usually like in O'Brien?

Csa
Hot-summer Mediterranean climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

27°45°63°81°99°49°32°Jan55°33°Feb60°34°Mar67°37°Apr75°42°May83°46°Jun94°52°Jul94°49°Aug87°44°Sep72°39°Oct55°36°Nov47°33°Dec

Average precipitation (inches)

11.4"Jan8.5"Feb8.6"Mar4.1"Apr2.1"May0.8"Jun0.3"Jul0.3"Aug0.8"Sep3.5"Oct8.0"Nov12.9"Dec

Best time to visit O'Brien: May–June and September–October, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station CAVE JUNCTION 1 WNW, OR US (USC00351448), adjusted for the elevation of O'Brien.

O'Brien weather month by month

January
49° 32°F
11.4 in of rain · 13 wet days❄ 2.1 in of snow
February
55° 33°F
8.5 in of rain · 11 wet days❄ 1.2 in of snow
March
60° 34°F
8.6 in of rain · 12 wet days❄ 1.5 in of snow
April
67° 37°F
4.1 in of rain · 8 wet days❄ 0.2 in of snow
May
75° 42°F
2.1 in of rain · 5 wet days
June
83° 46°F
0.8 in of rain · 2 wet days
July
94° 52°F
0.3 in of rain · 1 wet days
August
94° 49°F
0.3 in of rain · 1 wet days
September
87° 44°F
0.8 in of rain · 2 wet days
October
72° 39°F
3.5 in of rain · 6 wet days
November
55° 36°F
8.0 in of rain · 11 wet days❄ 0.2 in of snow
December
47° 33°F
12.9 in of rain · 15 wet days❄ 1.9 in of snow

Sunrise and sunset in O'Brien through the year

MonthSunriseSunsetDaylight
January7:38 AM5:09 PM9 h 31 min
February7:08 AM5:49 PM10 h 40 min
March7:24 AM7:22 PM11 h 58 min
April6:32 AM7:57 PM13 h 25 min
May5:52 AM8:30 PM14 h 38 min
June5:36 AM8:54 PM15 h 17 min
July5:51 AM8:50 PM14 h 59 min
August6:21 AM8:16 PM13 h 55 min
September6:53 AM7:25 PM12 h 31 min
October7:26 AM6:34 PM11 h 8 min
November7:03 AM4:55 PM9 h 51 min
December7:34 AM4:45 PM9 h 10 min

Times for the 15th of each month, local time (America/Los Angeles).

What is the weather like in O'Brien?

O'Brien has a hot-summer mediterranean climate. The warmest month is July, with an average high of 94°F (35°C), and the coldest is January, with average lows of 32°F (0°C).

It gets about 61.2 inches (1,554 mm) of precipitation a year. The wettest month is December and the driest is July. Snow is common: about 7 inches fall in an average year.

The best time to visit O'Brien is May–June and September–October. At 1,414 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 O'Brien

Weather in towns near O'Brien

Questions about the weather in O'Brien

What is the hottest month in O'Brien?

July, with an average high of 94°F (35°C).

What is the coldest month in O'Brien?

January, with an average low of 32°F (0°C).

How much does it rain in O'Brien?

About 61.2 inches (1,554 mm) a year; the wettest month is December.

Does it snow in O'Brien?

Yes, about 7 inches of snow fall in an average year.

When is the best time to visit O'Brien?

May–June and September–October, when temperatures are most pleasant and rainy days are fewer.

What climate does O'Brien have?

Hot-summer mediterranean (Köppen Csa).

What is the weather like in O'Brien in November?

Highs average 55°F and lows 36°F, with about 8.0 inches of precipitation.

What time is sunrise in O'Brien?

Around 7:03 AM in mid-November, and sunset around 4:55 PM. Today’s exact times are shown above.

Where does this O'Brien weather forecast come from?

From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of O'Brien.

All about O'Brien ›

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