Weather in Grass Valley, OR
Grass Valley, Sunday, 8 November, 05:50
Overcast. Feels like 44°. High 49°, low 44°.
Monthly outlook for Grass Valley, OR: average high 51.6°, average low 41.2°. That is 3.2° above the climate normal for November. Precipitation is expected on 9 days (about 0.9 inches), against a normal of 6 days and 1.2 inches. The warmest day looks like 14 November (61.3°), the coolest 23 November (32.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 November – 17 November | 55.7° | 47.4° | +4.6° |
| 18 November – 27 November | 45° | 42.7° | +1.2° |
| 28 November – 7 December | at normal | 39.8° | — |
November records over 66 years
0.07
Grass Valley, Monday, 9 November
Light rain. High 54°, low 43°.
0.06Grass Valley, Tuesday, 10 November
Light rain. High 61°, low 48°.
0Grass Valley, Wednesday, 11 November
Overcast. High 59°, low 44°.
0Grass Valley, Thursday, 12 November
Overcast. High 59°, low 45°.
0.04Grass Valley, Friday, 13 November
Light rain. High 59°, low 46°.
0
Grass Valley, Saturday, 14 November
Mostly clear. High 61°, low 44°.
0.34Grass Valley, Sunday, 15 November
Rain. High 58°, low 45°.
0.01Grass Valley, Monday, 16 November
Light rain. High 49°, low 39°.
0
Grass Valley, Tuesday, 17 November
Clear. High 47°, low 35°.
0.1
Grass Valley, Wednesday, 18 November
Snow. High 37°, low 35°.
0.01Grass Valley, Thursday, 19 November
Light rain. High 44°, low 36°.
0Grass Valley, Friday, 20 November
Overcast. High 48°, low 42°.
0.06Grass Valley, Saturday, 21 November
Light rain. High 51°, low 47°.
0.12Grass Valley, Sunday, 22 November
Light rain. High 52°, low 35°.
0.07Grass Valley, Monday, 23 November
Light snow. High 38°, low 33°.
0.09
Grass Valley, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.1Grass Valley, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.06
Grass Valley, Thursday, 26 November
Climate normal for this date — 60-year average.
0.09Grass Valley, Friday, 27 November
Climate normal for this date — 60-year average.
0.07Grass Valley, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Grass 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.
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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