Weather in Sunnyside, CO
Sunnyside, Tuesday, 20 October, 22:14
Clear. Feels like 48°. High 64°, low 40°.
Monthly outlook for Sunnyside, CO: average high 56.3°, average low 38.5°. That is 0.1° below the climate normal for October. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 3 November (72°), the coolest 27 October (30.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 52.7° | 59.1° | -3.5° |
| 30 October – 8 November | 62.3° | 52.8° | +5.3° |
| 9 November – 18 November | at normal | 49.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Boulder (7 mi).
0
Sunnyside, Wednesday, 21 October
Partly cloudy. High 66°, low 41°.
0.02
Sunnyside, Thursday, 22 October
Light rain. High 65°, low 47°.
0.04Sunnyside, Friday, 23 October
Light rain. High 67°, low 44°.
0.49Sunnyside, Saturday, 24 October
Rain. High 46°, low 36°.
0.15Sunnyside, Sunday, 25 October
Light rain. High 40°, low 35°.
0.16
Sunnyside, Monday, 26 October
Snow. High 36°, low 32°.
0.02Sunnyside, Tuesday, 27 October
Light snow. High 44°, low 30°.
0
Sunnyside, Wednesday, 28 October
Mostly clear. High 45°, low 32°.
0Sunnyside, Thursday, 29 October
Partly cloudy. High 54°, low 32°.
0
Sunnyside, Friday, 30 October
Overcast. High 57°, low 37°.
0Sunnyside, Saturday, 31 October
Overcast. High 56°, low 39°.
0Sunnyside, Sunday, 1 November
Overcast. High 56°, low 36°.
0Sunnyside, Monday, 2 November
Partly cloudy. High 65°, low 41°.
0Sunnyside, Tuesday, 3 November
Overcast. High 72°, low 46°.
0
Sunnyside, Wednesday, 4 November
Clear. High 68°, low 49°.
0.03Sunnyside, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Sunnyside, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Sunnyside, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Sunnyside, Sunday, 8 November
Climate normal for this date — 60-year average.
0.08Sunnyside, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Sunnyside, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Sunnyside, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.04Sunnyside, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Sunnyside, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Sunnyside, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05Sunnyside, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03Sunnyside, Monday, 16 November
Climate normal for this date — 60-year average.
0.05Sunnyside, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Sunnyside, Wednesday, 18 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, CO 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, CO 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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