Columbia River Climate and Average Weather
Climate of Columbia River: average temperatures, rainfall and seasons month by month.
Climate in Columbia River month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 46° | 34° | 7,0 in | ★★☆☆☆ |
| February | 49° | 37° | 6,2 in | ★★☆☆☆ |
| March | 55° | 41° | 6,3 in | ★★☆☆☆ |
| April | 61° | 43° | 3,1 in | ★★★★☆ |
| May | 68° | 49° | 2,2 in | ★★★★☆ |
| June | 75° | 55° | 1,9 in | ★★★★★ |
| July | 83° | 59° | 0,3 in | ★★★★★ |
| August | 84° | 61° | 0,7 in | ★★★★★ |
| September | 76° | 56° | 1,8 in | ★★★★☆ |
| October | 63° | 47° | 5,8 in | ★★★☆☆ |
| November | 52° | 42° | 8,3 in | ★★☆☆☆ |
| December | 49° | 40° | 10,3 in | ★☆☆☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Recent extremes in Columbia River
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Columbia River compares with nearby places
Annual averages, and the difference against Columbia River.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Portland International Airport | 5 mi | 54°F | about the same | 61 in |
| ZIP Code 97205 | 7 mi | 54°F | about the same | 56 in |
| Portland | 8 mi | 54°F | about the same | 56 in |
| Multnomah County | 8 mi | 54°F | about the same | 56 in |
| Oregon | 50 mi | 54°F | about the same | 49 in |
Best time to visit Columbia River
Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, November and December - expect the least comfortable mix of heat, cold or rain.
What this means for Columbia River
Today is slightly cooler than average for August. The forecast high of 77°F is 7°F below the 84°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 64°F.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid January, November and December - historically the least comfortable months here.
Summary
Columbia River is a river in Washington. Columbia River is a river known as the Pacific Northwest's great river.
Right now it is 70°F (21°C) in Columbia River with clear. It feels like 69°F. Today runs from 63°F to 77°F. Chance of precipitation is 3%. Sightseeing conditions score 9.6/10 - excellent - go now.
The best time to visit Columbia River is June, July and August. The climate is temperate. January, November and December tend to be the least comfortable months. August is the warmest month with average highs near 84°F, while January is the coldest with lows near 34°F.
The closest major airport is Portland International Airport (PDX), about 5 mi away. Nearby highlights include Mount Hood, Silver Falls State Park, Cannon Beach and Mount Rainier.
In plain terms. Today is slightly cooler than average for August. The forecast high of 77°F is 7°F below the 84°F typical for this month. The best window to be outside is roughly 8 AM to 11 AM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Columbia River today at 9.9/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Columbia River
| Type | River |
|---|---|
| State | Washington |
| Country | United States |
| Continent | North America |
| Coordinates | 45°37′40.8″N 122°40′26″W (45.628, -122.6739) |
| Length | 1.243 mi |
| Known for | the Pacific Northwest's great river |
| Local time | 6:48 AM (UTC-07:00) |
| Best months | June, July and August |
| Climate | Temperate |
Weather map for Columbia River
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Columbia River
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Columbia River?
Columbia River is a river in Washington. Its coordinates are 45.628, -122.6739. It lies in North America.
What is the weather like in Columbia River right now?
It is currently 70°F (21°C) with clear. Humidity is 63% and wind is 6 mph.
When is the best time to visit Columbia River?
June, July and August offer the most comfortable conditions in Columbia River, which has a temperate climate. January, November and December are usually the hardest months for outdoor plans.
What time zone is Columbia River in?
Columbia River observes America/Los_Angeles (UTC-07:00). The local time is 6:48 AM.
What is the nearest airport to Columbia River?
The closest airports are Portland International Airport (PDX), 5 mi away, Seattle-Tacoma International Airport (SEA), 127 mi away and Vancouver International Airport (YVR), 248 mi away.
What are the top things to do in Columbia River?
Popular options include Mount Hood, Silver Falls State Park, Cannon Beach, Mount Rainier, Mount Rainier National Park and Smith Rock State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (rivers) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 24, 2026 at 6:48 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
