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Rosburg, WA Weather
Rosburg, Washington sits at 46.3081, -123.6435. Its warmest month is August, when the day usually reaches 75F, and its coldest is December, when the night usually falls to 33F. December is the wettest, with rain on about 23 days. The hottest day in the station record is 102F on August 19, 2016, and the coldest night 3F on January 31, 1950. This page carries live conditions, an hour by hour timeline, a ten day outlook, radar, monthly averages and searchable daily history back to 1940.
About Rosburg weather
Rosburg sits at 46.3081, -123.6435 and covers about 22.914 square miles. The forecast above is live: current conditions lead with the HRRR model, corrected against the nearest reporting station and against radar overhead, because a model can lag a storm and the radar cannot.
The tabs at the top of this page carry the hour by hour timeline, the ten day outlook and live radar. Where the models disagree about a day, the rock says so on the day rather than quietly picking a winner.
The rock grades itself against what actually happened and publishes the result whether it flatters it or not. Those standings live in the Receipts.
- Current conditions and forecast: NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Warnings and alerts: the National Weather Service, passed through unchanged.
- Radar: NOAA MRMS merged reflectivity, rendered into tiles by myweatherrock.
- Monthly averages and records: computed by myweatherrock from NOAA GHCN-Daily station records at the nearest qualifying station, named on this page with its distance. Measurements, not estimates.
- Daily history search: the town's own NOAA GHCN-Daily station file, held on our server, measurements by day. Months the station missed fall back to the Open-Meteo historical archive (reanalysis), and the page says so when it does.
What the weather is usually like in Rosburg
Rosburg is warmest in August, when the day usually reaches 75F, and coldest in December, when the night usually falls to 33F. December is the wettest month, with rain on about 23 days of it.
The same year as numbers
| Month | Usual high | Usual low | Rain days | Snow days |
|---|---|---|---|---|
| January | 50F | 34F | 22 | 0 |
| February | 50F | 34F | 19 | 0 |
| March | 55F | 35F | 22 | 0 |
| April | 59F | 38F | 20 | 0 |
| May | 65F | 43F | 16 | 0 |
| June | 68F | 47F | 14 | 0 |
| July | 72F | 50F | 8 | 0 |
| August | 75F | 51F | 7 | 0 |
| September | 72F | 47F | 11 | 0 |
| October | 64F | 41F | 17 | 0 |
| November | 54F | 36F | 22 | 0 |
| December | 48F | 33F | 23 | 0 |
Thirty-year normals, 1991 to 2020, computed from the daily record, measured at the Naselle 2 Ene station 6.9 miles away. A rain day means at least a hundredth of an inch fell, the same measurable-precipitation mark the Weather Service uses. Source: computed from the station record, NOAA GHCN daily.
Rosburg weather history, back to 1940
Pick any month back to 1940 and see what the archive holds for Rosburg: the reanalysis record of what happened, day by day.
Reading this month last year to start you off.
Rosburg weather records
In 65,849 days of observations Rosburg has been as hot as 102F and as cold as 3F. Not averages: the actual days.
NOAA GHCN daily station records, observed 1929 to 2024: temperature at the Naselle 2 Ene station, 6.9 miles away; snowfall at the Raymond 2 S station, 24.2 miles away. Station measurements, not estimates. Record dates reflect the station's own observation schedule, and the official state record may live at a different station.
Common questions about Rosburg weather
What is the weather usually like in Rosburg, WA?
Rosburg is warmest in August, when the day usually reaches 75F, and coldest in December, when the night usually falls to 33F. Rain falls on roughly 201 days a year, most often in December. Averages are thirty-year normals, 1991 to 2020, computed from the nearest NOAA station's own daily record.
How much does it rain in Rosburg, WA?
About 201 days a year see at least a hundredth of an inch, which is the Weather Service's measurable-precipitation mark. December is the wettest month with rain on about 23 of its days, and August the driest with about 7.
What is the hottest it has ever been in Rosburg, WA?
The hottest day measured for Rosburg reached 102F on August 19, 2016, and the coldest night 3F on January 31, 1950. Both are real NOAA station measurements from the GHCN daily archive, observed 1929 to 2024, at the Naselle 2 Ene station. Not estimates, though the official state record may live at a different station.
Can I look up past weather for Rosburg, WA?
Yes, and for free. The History tab on this page takes any month back to 1940 and shows every day of it: the high, the low, what fell, and that month's hottest and coldest day. No account and no payment.
Is the Rosburg forecast on this page free, and does it track me?
It is free, carries no advertising, and needs no account. Nothing about a visitor leaves the device except the coordinates needed to fetch a forecast, and those are not stored against anyone.