Weather in Sumpter, OR
Sumpter, Monday, 19 October, 15:13
Overcast. Feels like 53°. High 57°, low 33°.
Monthly outlook for Sumpter, OR: average high 54.4°, average low 37.3°. That is 2.2° above the climate normal for October. Precipitation is expected on 6 days (about 1.4 inches), against a normal of 5 days and 1.2 inches. The warmest day looks like 20 October (62.7°), the coolest 23 October (26.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 54.8° | 52.4° | +1.3° |
| 29 October – 7 November | 53.7° | 46.1° | +4.2° |
| 8 November – 17 November | at normal | 41.3° | — |
October records over 66 years
0Sumpter, Tuesday, 20 October
Overcast. High 63°, low 29°.
0.04
Sumpter, Wednesday, 21 October
Light rain. High 57°, low 34°.
0.42
Sumpter, Thursday, 22 October
Snow. High 51°, low 36°.
0.05Sumpter, Friday, 23 October
Light snow. High 38°, low 27°.
0Sumpter, Saturday, 24 October
Overcast. High 42°, low 27°.
0Sumpter, Sunday, 25 October
Overcast. High 58°, low 34°.
0Sumpter, Monday, 26 October
Overcast. High 59°, low 40°.
0Sumpter, Tuesday, 27 October
Overcast. High 62°, low 43°.
0Sumpter, Wednesday, 28 October
Overcast. High 60°, low 44°.
0Sumpter, Thursday, 29 October
Overcast. High 59°, low 43°.
0Sumpter, Friday, 30 October
Overcast. High 62°, low 44°.
0.07Sumpter, Saturday, 31 October
Light rain. High 48°, low 41°.
0.01Sumpter, Sunday, 1 November
Light rain. High 53°, low 38°.
0.33Sumpter, Monday, 2 November
Rain. High 54°, low 45°.
0.51Sumpter, Tuesday, 3 November
Rain. High 46°, low 38°.
0.12
Sumpter, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.09Sumpter, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Sumpter, Friday, 6 November
Climate normal for this date — 60-year average.
0.11Sumpter, Saturday, 7 November
Climate normal for this date — 60-year average.
0.08Sumpter, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Sumpter, Monday, 9 November
Climate normal for this date — 60-year average.
0.08Sumpter, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Sumpter, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Sumpter, Thursday, 12 November
Climate normal for this date — 60-year average.
0.12Sumpter, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Sumpter, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Sumpter, Sunday, 15 November
Climate normal for this date — 60-year average.
0.09Sumpter, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Sumpter, Tuesday, 17 November
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 Sumpter, 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 Sumpter, 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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