Weather in Grass Valley, OR
Grass Valley, Friday, 13 November, 16:19
Light rain. Feels like 43°. High 45°, low 38°.
Monthly outlook for Grass Valley, OR: average high 43.2°, average low 35.7°. That is 0.3° below the climate normal for November. Precipitation is expected on 8 days (about 1.2 inches), against a normal of 6 days and 1.3 inches. The warmest day looks like 26 November (48.3°), the coolest 19 November (28.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 42.3° | 45° | -1.5° |
| 23 November – 2 December | 44.8° | 41.3° | +2° |
| 3 December – 12 December | at normal | 39.3° | — |
November records over 66 years
0.01Grass Valley, Saturday, 14 November
Light rain. High 46°, low 38°.
0.09Grass Valley, Sunday, 15 November
Light rain. High 47°, low 38°.
0
Grass Valley, Monday, 16 November
Mostly clear. High 48°, low 33°.
0Grass Valley, Tuesday, 17 November
Mostly clear. High 44°, low 33°.
0.27
Grass Valley, Wednesday, 18 November
Snow. High 35°, low 31°.
0
Grass Valley, Thursday, 19 November
Overcast. High 37°, low 29°.
0
Grass Valley, Friday, 20 November
Clear. High 43°, low 32°.
0Grass Valley, Saturday, 21 November
Overcast. High 38°, low 33°.
0.01Grass Valley, Sunday, 22 November
Light rain. High 39°, low 34°.
0.07Grass Valley, Monday, 23 November
Light rain. High 39°, low 35°.
0.15Grass Valley, Tuesday, 24 November
Light rain. High 48°, low 36°.
0.1Grass Valley, Wednesday, 25 November
Light rain. High 42°, low 38°.
0.15Grass Valley, Thursday, 26 November
Light rain. High 48°, low 43°.
0.01Grass Valley, Friday, 27 November
Light rain. High 45°, low 41°.
0.19Grass Valley, Saturday, 28 November
Light rain. High 47°, low 39°.
0.08
Grass Valley, Sunday, 29 November
Climate normal for this date — 60-year average.
0.08Grass Valley, Monday, 30 November
Climate normal for this date — 60-year average.
0.09Grass Valley, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.15Grass Valley, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Grass Valley, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Grass Valley, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Grass Valley, Saturday, 5 December
Climate normal for this date — 60-year average.
0.11Grass Valley, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09Grass Valley, Monday, 7 December
Climate normal for this date — 60-year average.
0.08Grass Valley, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09Grass Valley, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.11Grass Valley, Thursday, 10 December
Climate normal for this date — 60-year average.
0.09Grass Valley, Friday, 11 December
Climate normal for this date — 60-year average.
0.1Grass Valley, Saturday, 12 December
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Grass Valley, OR are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Grass Valley, OR since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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