Weather in Tiernan, OR
Tiernan, Tuesday, 27 October, 00:44
Overcast. Feels like 51°. High 54°, low 45°.
Monthly outlook for Tiernan, OR: average high 57.1°, average low 44.7°. That is 0.2° below the climate normal for October. Precipitation is expected on 9 days (about 4.9 inches), against a normal of 8 days and 4.5 inches. The warmest day looks like 4 November (64.6°), the coolest 31 October (34.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 55.8° | 58.5° | -1.5° |
| 6 November – 15 November | 59.3° | 55.8° | +1.9° |
| 16 November – 25 November | at normal | 52.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mapleton (4 mi).
0.46
Tiernan, Wednesday, 28 October
Rain. High 52°, low 44°.
0.26Tiernan, Thursday, 29 October
Rain. High 52°, low 41°.
0.01Tiernan, Friday, 30 October
Light rain. High 53°, low 38°.
0.07Tiernan, Saturday, 31 October
Light rain. High 50°, low 35°.
0
Tiernan, Sunday, 1 November
Mostly clear. High 57°, low 35°.
0Tiernan, Monday, 2 November
Overcast. High 58°, low 37°.
0Tiernan, Tuesday, 3 November
Overcast. High 64°, low 39°.
0Tiernan, Wednesday, 4 November
Overcast. High 65°, low 43°.
0.15Tiernan, Thursday, 5 November
Light rain. High 53°, low 47°.
2.78Tiernan, Friday, 6 November
Heavy rain. High 58°, low 53°.
0.3Tiernan, Saturday, 7 November
Light rain. High 59°, low 50°.
0.24Tiernan, Sunday, 8 November
Light rain. High 57°, low 51°.
0.18Tiernan, Monday, 9 November
Light rain. High 57°, low 53°.
0Tiernan, Tuesday, 10 November
Overcast. High 64°, low 53°.
0Tiernan, Wednesday, 11 November
Overcast. High 61°, low 51°.
0.27Tiernan, Thursday, 12 November
Climate normal for this date — 60-year average.
0.39Tiernan, Friday, 13 November
Climate normal for this date — 60-year average.
0.23
Tiernan, Saturday, 14 November
Climate normal for this date — 60-year average.
0.35Tiernan, Sunday, 15 November
Climate normal for this date — 60-year average.
0.28Tiernan, Monday, 16 November
Climate normal for this date — 60-year average.
0.37Tiernan, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.28Tiernan, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.45Tiernan, Thursday, 19 November
Climate normal for this date — 60-year average.
0.34Tiernan, Friday, 20 November
Climate normal for this date — 60-year average.
0.35Tiernan, Saturday, 21 November
Climate normal for this date — 60-year average.
0.4Tiernan, Sunday, 22 November
Climate normal for this date — 60-year average.
0.35Tiernan, Monday, 23 November
Climate normal for this date — 60-year average.
0.42Tiernan, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.38Tiernan, Wednesday, 25 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 Tiernan, 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 Tiernan, 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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