Weather in Sunnyside, ID
Sunnyside, Sunday, 18 October, 22:59
Overcast. Feels like 38°. High 63°, low 33°.
Monthly outlook for Sunnyside, ID: average high 51.4°, average low 36.4°. That is 0.7° above the climate normal for October. Precipitation is expected on 9 days (about 1.8 inches), against a normal of 8 days and 2.4 inches. The warmest day looks like 20 October (65.4°), the coolest 30 October (27.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 57.5° | 52.2° | +2.9° |
| 28 October – 6 November | 41.3° | 46.1° | -2.7° |
| 7 November – 16 November | at normal | 42.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Hope (5 mi).
0Sunnyside, Monday, 19 October
Overcast. High 62°, low 35°.
0
Sunnyside, Tuesday, 20 October
Partly cloudy. High 65°, low 37°.
0
Sunnyside, Wednesday, 21 October
Mostly clear. High 64°, low 45°.
0.17
Sunnyside, Thursday, 22 October
Light rain. High 63°, low 46°.
0.32Sunnyside, Friday, 23 October
Light rain. High 50°, low 42°.
0Sunnyside, Saturday, 24 October
Overcast. High 51°, low 37°.
0.07Sunnyside, Sunday, 25 October
Light rain. High 49°, low 38°.
0Sunnyside, Monday, 26 October
Overcast. High 55°, low 34°.
0.02Sunnyside, Tuesday, 27 October
Light rain. High 53°, low 36°.
0.11
Sunnyside, Wednesday, 28 October
Snow. High 42°, low 38°.
0.19Sunnyside, Thursday, 29 October
Light snow. High 40°, low 31°.
0.06Sunnyside, Friday, 30 October
Light snow. High 39°, low 27°.
0.1Sunnyside, Saturday, 31 October
Snow. High 39°, low 31°.
0.24Sunnyside, Sunday, 1 November
Rain. High 44°, low 39°.
0.54Sunnyside, Monday, 2 November
Snow. High 44°, low 34°.
0.13Sunnyside, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.26Sunnyside, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.18Sunnyside, Thursday, 5 November
Climate normal for this date — 60-year average.
0.23Sunnyside, Friday, 6 November
Climate normal for this date — 60-year average.
0.23Sunnyside, Saturday, 7 November
Climate normal for this date — 60-year average.
0.17Sunnyside, Sunday, 8 November
Climate normal for this date — 60-year average.
0.17Sunnyside, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Sunnyside, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16
Sunnyside, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.22Sunnyside, Thursday, 12 November
Climate normal for this date — 60-year average.
0.19Sunnyside, Friday, 13 November
Climate normal for this date — 60-year average.
0.2Sunnyside, Saturday, 14 November
Climate normal for this date — 60-year average.
0.15Sunnyside, Sunday, 15 November
Climate normal for this date — 60-year average.
0.26Sunnyside, Monday, 16 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 Sunnyside, ID 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 Sunnyside, ID 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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