Weather in Grantsburg, WI
Grantsburg, Wednesday, 21 October, 14:53
Clear. Feels like 69°. High 71°, low 46°.
Monthly outlook for Grantsburg, WI: average high 57.4°, average low 43.1°. That is 4.6° above the climate normal for October. Precipitation is expected on 7 days (about 3.6 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 23 October (72.9°), the coolest 29 October (34°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 59.8° | 50.9° | +4.9° |
| 31 October – 9 November | 53.4° | 45.1° | +4.6° |
| 10 November – 19 November | at normal | 38.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Rock Creek (11 mi).
0Grantsburg, Thursday, 22 October
Clear. High 71°, low 40°.
0
Grantsburg, Friday, 23 October
Overcast. High 73°, low 51°.
0.06
Grantsburg, Saturday, 24 October
Light rain. High 73°, low 56°.
0.44Grantsburg, Sunday, 25 October
Rain. High 55°, low 44°.
1.56Grantsburg, Monday, 26 October
Rain. High 44°, low 40°.
0.05Grantsburg, Tuesday, 27 October
Light rain. High 45°, low 39°.
0.01Grantsburg, Wednesday, 28 October
Light rain. High 57°, low 43°.
0Grantsburg, Thursday, 29 October
Clear. High 54°, low 34°.
0Grantsburg, Friday, 30 October
Overcast. High 55°, low 35°.
0.75Grantsburg, Saturday, 31 October
Rain. High 58°, low 45°.
0Grantsburg, Sunday, 1 November
Overcast. High 58°, low 49°.
0
Grantsburg, Monday, 2 November
Partly cloudy. High 53°, low 44°.
0Grantsburg, Tuesday, 3 November
Overcast. High 51°, low 38°.
0.5Grantsburg, Wednesday, 4 November
Rain. High 46°, low 42°.
0.26Grantsburg, Thursday, 5 November
Light rain. High 55°, low 46°.
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.
0.07Grantsburg, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Grantsburg, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Grantsburg, Thursday, 19 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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