Weather in Hermiston, OR
Hermiston, Monday, 19 October, 07:52
Overcast. Feels like 42°. High 61°, low 42°.
Monthly outlook for Hermiston, OR: average high 63.7°, average low 44.9°. That is 2° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 4 days and 0.7 inches. The warmest day looks like 21 October (69°), the coolest 24 October (38.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 63.6° | 62.1° | +0.8° |
| 29 October – 7 November | 63.9° | 56.4° | +4.2° |
| 8 November – 17 November | at normal | 52.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Echo (8 mi).
0Hermiston, Tuesday, 20 October
Overcast. High 67°, low 41°.
0Hermiston, Wednesday, 21 October
Overcast. High 69°, low 43°.
0Hermiston, Thursday, 22 October
Overcast. High 65°, low 45°.
0
Hermiston, Friday, 23 October
Clear. High 61°, low 48°.
0
Hermiston, Saturday, 24 October
Partly cloudy. High 62°, low 38°.
0
Hermiston, Sunday, 25 October
Mostly clear. High 66°, low 45°.
0Hermiston, Monday, 26 October
Partly cloudy. High 65°, low 45°.
0Hermiston, Tuesday, 27 October
Clear. High 62°, low 42°.
0Hermiston, Wednesday, 28 October
Overcast. High 59°, low 44°.
0Hermiston, Thursday, 29 October
Clear. High 63°, low 43°.
0Hermiston, Friday, 30 October
Overcast. High 63°, low 47°.
0Hermiston, Saturday, 31 October
Overcast. High 65°, low 50°.
0Hermiston, Sunday, 1 November
Overcast. High 63°, low 46°.
0.02
Hermiston, Monday, 2 November
Light rain. High 68°, low 51°.
0Hermiston, Tuesday, 3 November
Overcast. High 62°, low 49°.
0.06
Hermiston, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.06Hermiston, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Hermiston, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Hermiston, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Hermiston, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Hermiston, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Hermiston, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.05Hermiston, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Hermiston, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Hermiston, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Hermiston, Saturday, 14 November
Climate normal for this date — 60-year average.
0.04Hermiston, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Hermiston, Monday, 16 November
Climate normal for this date — 60-year average.
0.06Hermiston, 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 Hermiston, 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 Hermiston, 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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