Weather in Shannon, OR
Shannon, Friday, 23 October, 00:18
Mostly clear. Feels like 41°. High 59°, low 38°.
Monthly outlook for Shannon, OR: average high 58.4°, average low 39.8°. That is 0.2° below the climate normal for October. Precipitation is expected on 4 days (about 1.6 inches), against a normal of 8 days and 4.2 inches. The warmest day looks like 5 November (69°), the coolest 24 October (32.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 55.7° | 59.6° | -2.2° |
| 2 November – 11 November | 62.9° | 56.8° | +3.4° |
| 12 November – 21 November | at normal | 54.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mapleton (13 mi).
0
Shannon, Saturday, 24 October
Overcast. High 64°, low 32°.
0.65
Shannon, Sunday, 25 October
Rain. High 54°, low 42°.
0.65Shannon, Monday, 26 October
Rain. High 52°, low 48°.
0.03Shannon, Tuesday, 27 October
Light rain. High 58°, low 47°.
0.18Shannon, Wednesday, 28 October
Rain. High 58°, low 45°.
0.08Shannon, Thursday, 29 October
Light rain. High 47°, low 42°.
0
Shannon, Friday, 30 October
Clear. High 57°, low 36°.
0Shannon, Saturday, 31 October
Overcast. High 53°, low 37°.
0Shannon, Sunday, 1 November
Clear. High 56°, low 34°.
0Shannon, Monday, 2 November
Overcast. High 57°, low 34°.
0
Shannon, Tuesday, 3 November
Partly cloudy. High 60°, low 36°.
0
Shannon, Wednesday, 4 November
Mostly clear. High 68°, low 39°.
0Shannon, Thursday, 5 November
Mostly clear. High 69°, low 41°.
0Shannon, Friday, 6 November
Overcast. High 65°, low 42°.
0Shannon, Saturday, 7 November
Overcast. High 58°, low 43°.
0.3
Shannon, Sunday, 8 November
Climate normal for this date — 60-year average.
0.3Shannon, Monday, 9 November
Climate normal for this date — 60-year average.
0.3Shannon, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.34Shannon, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.27Shannon, Thursday, 12 November
Climate normal for this date — 60-year average.
0.39Shannon, Friday, 13 November
Climate normal for this date — 60-year average.
0.23Shannon, Saturday, 14 November
Climate normal for this date — 60-year average.
0.35Shannon, Sunday, 15 November
Climate normal for this date — 60-year average.
0.28Shannon, Monday, 16 November
Climate normal for this date — 60-year average.
0.37Shannon, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.28Shannon, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.45Shannon, Thursday, 19 November
Climate normal for this date — 60-year average.
0.34Shannon, Friday, 20 November
Climate normal for this date — 60-year average.
0.35Shannon, Saturday, 21 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 Shannon, 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 Shannon, 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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