Weather in Grantsburg, WI
Grantsburg, Sunday, 18 October, 22:36
Partly cloudy. Feels like 43°. High 68°, low 43°.
Monthly outlook for Grantsburg, WI: average high 57.6°, average low 40.9°. That is 3.9° above the climate normal for October. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 23 October (69°), the coolest 27 October (29.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 60.2° | 52.2° | +4.4° |
| 28 October – 6 November | 53.4° | 46.8° | +3.6° |
| 7 November – 16 November | at normal | 40.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Rock Creek (11 mi).
0
Grantsburg, Monday, 19 October
Overcast. High 66°, low 44°.
0
Grantsburg, Tuesday, 20 October
Clear. High 65°, low 45°.
0Grantsburg, Wednesday, 21 October
Clear. High 68°, low 46°.
0
Grantsburg, Thursday, 22 October
Partly cloudy. High 69°, low 45°.
0Grantsburg, Friday, 23 October
Overcast. High 69°, low 56°.
0.52
Grantsburg, Saturday, 24 October
Rain. High 65°, low 51°.
0
Grantsburg, Sunday, 25 October
Mostly clear. High 47°, low 38°.
0.09Grantsburg, Monday, 26 October
Light rain. High 40°, low 35°.
0Grantsburg, Tuesday, 27 October
Clear. High 47°, low 30°.
0Grantsburg, Wednesday, 28 October
Mostly clear. High 53°, low 32°.
0.02Grantsburg, Thursday, 29 October
Light rain. High 58°, low 47°.
0.43Grantsburg, Friday, 30 October
Rain. High 60°, low 45°.
0Grantsburg, Saturday, 31 October
Overcast. High 47°, low 36°.
0Grantsburg, Sunday, 1 November
Overcast. High 49°, low 30°.
0Grantsburg, Monday, 2 November
Overcast. High 53°, low 33°.
0.03Grantsburg, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.05Grantsburg, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Grantsburg, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Grantsburg, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Grantsburg, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Grantsburg, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1
Grantsburg, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Grantsburg, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Grantsburg, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Grantsburg, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Grantsburg, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Grantsburg, Saturday, 14 November
Climate normal for this date — 60-year average.
0.04Grantsburg, Sunday, 15 November
Climate normal for this date — 60-year average.
0.09Grantsburg, 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 Grantsburg, WI 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 Grantsburg, WI 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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