As of 02:01 CDT

Weather in Grantsburg, WI

47°Current weather

Grantsburg, Saturday, 31 October, 02:01

Overcast. Feels like 45°. High 55°, low 42°.

Pressure30.30 inHg
Wind4.1 mph SE
Humidity72%
Visibility6.2 mi
Dew point38°

Monthly outlook for Grantsburg, WI: average high 54.8°, average low 42.4°. That is 6.6° above the climate normal for October. Precipitation is expected on 3 days (about 2.2 inches), against a normal of 4 days and 1.0 inches. The warmest day looks like 1 November (67.1°), the coolest 14 November (29.7°).

54.8°/42.4°
Average high / low
+6.6°
Above normal
3 / 4
Wet days / normal
2.2 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
31 October – 9 November57.9°45.1°+7.1°
10 November – 19 November49.5°38.9°+5.9°
20 November – 29 Novemberat normal33.5°—

October records over 66 years

84.7°4 October 2025All-time high
16.2°23 October 2002All-time low

Climate normals and records are computed from the nearest reference point — Rock Creek (11 mi).

Sun, 0167° / 52°0Overcast
67 °Overcast

Grantsburg, Sunday, 1 November

Overcast. High 67°, low 52°.

Pressure30.24 inHg
Wind5.7 mph S
Humidity82%
Visibility6.2 mi
Dew point55°
Mon, 0256° / 53°1.19Heavy rain
56 °Heavy rain

Grantsburg, Monday, 2 November

Heavy rain. High 56°, low 53°.

Pressure29.97 inHg
Wind8.9 mph SE
Humidity98%
Visibility1.9 mi
Dew point54°
Tue, 0357° / 46°0.96Rain
57 °Rain

Grantsburg, Tuesday, 3 November

Rain. High 57°, low 46°.

Pressure29.83 inHg
Wind9.9 mph N
Humidity91%
Visibility6.2 mi
Dew point53°
Wed, 0454° / 41°0Overcast
54 °Overcast

Grantsburg, Wednesday, 4 November

Overcast. High 54°, low 41°.

Pressure30.03 inHg
Wind7.3 mph N
Humidity67%
Visibility—
Dew point39°
Thu, 0556° / 43°0Overcast
56 °Overcast

Grantsburg, Thursday, 5 November

Overcast. High 56°, low 43°.

Pressure29.97 inHg
Wind9.6 mph NE
Humidity68%
Visibility—
Dew point42°
Fri, 0658° / 44°0Clear
58 °Clear

Grantsburg, Friday, 6 November

Clear. High 58°, low 44°.

Pressure30.06 inHg
Wind7.4 mph S
Humidity64%
Visibility—
Dew point43°
Sat, 0757° / 45°0Overcast
57 °Overcast

Grantsburg, Saturday, 7 November

Overcast. High 57°, low 45°.

Pressure30.06 inHg
Wind11.5 mph S
Humidity65%
Visibility—
Dew point43°
Sun, 0860° / 46°0Clear
60 °Clear

Grantsburg, Sunday, 8 November

Clear. High 60°, low 46°.

Pressure30.06 inHg
Wind9.8 mph S
Humidity56%
Visibility—
Dew point41°
Mon, 0960° / 43°0Overcast
60 °Overcast

Grantsburg, Monday, 9 November

Overcast. High 60°, low 43°.

Pressure30.06 inHg
Wind5.9 mph W
Humidity47%
Visibility—
Dew point35°
Tue, 1064° / 45°0Overcast
64 °Overcast

Grantsburg, Tuesday, 10 November

Overcast. High 64°, low 45°.

Pressure29.80 inHg
Wind8.3 mph SW
Humidity44%
Visibility—
Dew point38°
Wed, 1155° / 46°0Overcast
55 °Overcast

Grantsburg, Wednesday, 11 November

Overcast. High 55°, low 46°.

Pressure29.88 inHg
Wind13.4 mph NW
Humidity41%
Visibility—
Dew point29°
Thu, 1252° / 41°0.01Light rain
52 °Light rain

Grantsburg, Thursday, 12 November

Light rain. High 52°, low 41°.

Pressure29.68 inHg
Wind18.3 mph NW
Humidity56%
Visibility—
Dew point35°
Fri, 1341° / 33°0Partly cloudy
41 °Partly cloudy

Grantsburg, Friday, 13 November

Partly cloudy. High 41°, low 33°.

Pressure30.06 inHg
Wind13.6 mph NW
Humidity49%
Visibility—
Dew point21°
Sat, 1442° / 30°0Clear
42 °Clear

Grantsburg, Saturday, 14 November

Clear. High 42°, low 30°.

Pressure30.12 inHg
Wind5.2 mph N
Humidity56%
Visibility—
Dew point25°
Sun, 1542° / 30°0Overcast
42 °Overcast

Grantsburg, Sunday, 15 November

Overcast. High 42°, low 30°.

Pressure30.12 inHg
Wind5.3 mph E
Humidity49%
Visibility—
Dew point23°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 1639° / 27°0.09Climate normal
39 °Climate normal

Grantsburg, Monday, 16 November

Climate normal for this date — 60-year average.

Average high39°
Average low27°
Average precipitation0.09 in
Chance of precipitation23%
Record high63° (2023)
Record low6° (1997)
Tue, 1738° / 27°0.07Climate normal
38 °Climate normal

Grantsburg, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high38°
Average low27°
Average precipitation0.07 in
Chance of precipitation25%
Record high65° (2001)
Record low7° (2014)
Wed, 1838° / 26°0.08Climate normal
38 °Climate normal

Grantsburg, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high38°
Average low26°
Average precipitation0.08 in
Chance of precipitation20%
Record high60° (2001)
Record low2° (2014)
Thu, 1938° / 26°0.07Climate normal
38 °Climate normal

Grantsburg, Thursday, 19 November

Climate normal for this date — 60-year average.

Average high38°
Average low26°
Average precipitation0.07 in
Chance of precipitation30%
Record high55° (2012)
Record low8° (2022)
Fri, 2036° / 24°0.1Climate normal
36 °Climate normal

Grantsburg, Friday, 20 November

Climate normal for this date — 60-year average.

Average high36°
Average low24°
Average precipitation0.1 in
Chance of precipitation25%
Record high53° (1982)
Record low1° (2022)
Sat, 2136° / 22°0.04Climate normal
36 °Climate normal

Grantsburg, Saturday, 21 November

Climate normal for this date — 60-year average.

Average high36°
Average low22°
Average precipitation0.04 in
Chance of precipitation20%
Record high65° (1990)
Record low-6° (2014)
Sun, 2235° / 23°0.04Climate normal
35 °Climate normal

Grantsburg, Sunday, 22 November

Climate normal for this date — 60-year average.

Average high35°
Average low23°
Average precipitation0.04 in
Chance of precipitation25%
Record high53° (2012)
Record low-1° (1978)
Mon, 2334° / 23°0.07Climate normal
34 °Climate normal

Grantsburg, Monday, 23 November

Climate normal for this date — 60-year average.

Average high34°
Average low23°
Average precipitation0.07 in
Chance of precipitation33%
Record high51° (2025)
Record low3° (1989)
Tue, 2435° / 22°0.04Climate normal
35 °Climate normal

Grantsburg, Tuesday, 24 November

Climate normal for this date — 60-year average.

Average high35°
Average low22°
Average precipitation0.04 in
Chance of precipitation17%
Record high54° (2011)
Record low-8° (1989)
Wed, 2534° / 22°0.04Climate normal
34 °Climate normal

Grantsburg, Wednesday, 25 November

Climate normal for this date — 60-year average.

Average high34°
Average low22°
Average precipitation0.04 in
Chance of precipitation20%
Record high49° (1998)
Record low-7° (1985)
Thu, 2633° / 20°0.06Climate normal
33 °Climate normal

Grantsburg, Thursday, 26 November

Climate normal for this date — 60-year average.

Average high33°
Average low20°
Average precipitation0.06 in
Chance of precipitation32%
Record high50° (2022)
Record low-7° (1977)
Fri, 2731° / 19°0.07Climate normal
31 °Climate normal

Grantsburg, Friday, 27 November

Climate normal for this date — 60-year average.

Average high31°
Average low19°
Average precipitation0.07 in
Chance of precipitation25%
Record high53° (1998)
Record low-9° (1996)
Sat, 2831° / 18°0.07Climate normal
31 °Climate normal

Grantsburg, Saturday, 28 November

Climate normal for this date — 60-year average.

Average high31°
Average low18°
Average precipitation0.07 in
Chance of precipitation25%
Record high50° (1998)
Record low-5° (1976)
Sun, 2932° / 19°0.06Climate normal
32 °Climate normal

Grantsburg, Sunday, 29 November

Climate normal for this date — 60-year average.

Average high32°
Average low19°
Average precipitation0.06 in
Chance of precipitation23%
Record high58° (1998)
Record low-17° (1985)

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.