Monthly outlook for Grimms, WI: average high 61.6°, average low 44.9°. That is 2.5° above the climate normal for October. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 10 October (76.8°), the coolest 14 October (33°).
61.6°/44.9°
Average high / low
+2.5°
Above normal
3 / 5
Wet days / normal
0.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
7 October – 16 October
66.6°
58.2°
+4.7°
17 October – 26 October
53.2°
54.2°
-0.6°
27 October – 5 November
at normal
50.5°
—
October records over 66 years
82.2°3 October 2025All-time high
25.7°27 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Manitowoc (11 mi).
Thu, 0864° / 51°0
64 °
Grimms, Thursday, 8 October
Overcast. High 64°, low 51°.
Pressure30.06 inHg
Wind11.9 mph W
Humidity50%
Visibility6.2 mi
Dew point41°
Fri, 0967° / 46°0.12
67 °
Grimms, Friday, 9 October
Rain. High 67°, low 46°.
Pressure30.15 inHg
Wind5.5 mph SE
Humidity58%
Visibility6.2 mi
Dew point47°
Sat, 1077° / 60°0
77 °
Grimms, Saturday, 10 October
Clear. High 77°, low 60°.
Pressure29.97 inHg
Wind13.9 mph SW
Humidity55%
Visibility6.2 mi
Dew point58°
Sun, 1176° / 57°0
76 °
Grimms, Sunday, 11 October
Overcast. High 76°, low 57°.
Pressure29.91 inHg
Wind5.4 mph SW
Humidity53%
Visibility6.2 mi
Dew point55°
Mon, 1268° / 51°0.26
68 °
Grimms, Monday, 12 October
Rain. High 68°, low 51°.
Pressure29.77 inHg
Wind12.1 mph N
Humidity72%
Visibility—
Dew point57°
Tue, 1351° / 37°0.02
51 °
Grimms, Tuesday, 13 October
Light rain. High 51°, low 37°.
Pressure29.94 inHg
Wind21.2 mph NW
Humidity56%
Visibility—
Dew point36°
Wed, 1454° / 33°0
54 °
Grimms, Wednesday, 14 October
Partly cloudy. High 54°, low 33°.
Pressure30.24 inHg
Wind9.7 mph SE
Humidity50%
Visibility—
Dew point33°
Thu, 1562° / 47°0.01
62 °
Grimms, Thursday, 15 October
Light rain. High 62°, low 47°.
Pressure29.88 inHg
Wind20.6 mph S
Humidity52%
Visibility—
Dew point43°
Fri, 1676° / 51°0.01
76 °
Grimms, Friday, 16 October
Light rain. High 76°, low 51°.
Pressure29.68 inHg
Wind16.2 mph SW
Humidity66%
Visibility—
Dew point61°
Sat, 1754° / 47°0
54 °
Grimms, Saturday, 17 October
Overcast. High 54°, low 47°.
Pressure29.88 inHg
Wind16.6 mph W
Humidity63%
Visibility—
Dew point41°
Sun, 1846° / 41°0.07
46 °
Grimms, Sunday, 18 October
Light rain. High 46°, low 41°.
Pressure29.91 inHg
Wind14 mph W
Humidity92%
Visibility—
Dew point40°
Mon, 1957° / 39°0
57 °
Grimms, Monday, 19 October
Partly cloudy. High 57°, low 39°.
Pressure30.09 inHg
Wind12.1 mph W
Humidity49%
Visibility—
Dew point34°
Tue, 2055° / 36°0
55 °
Grimms, Tuesday, 20 October
Clear. High 55°, low 36°.
Pressure30.18 inHg
Wind11.6 mph N
Humidity52%
Visibility—
Dew point35°
Wed, 2153° / 34°0
53 °
Grimms, Wednesday, 21 October
Clear. High 53°, low 34°.
Pressure30.33 inHg
Wind9.1 mph N
Humidity46%
Visibility—
Dew point29°
Thu, 2255° / 35°0
55 °
Grimms, Thursday, 22 October
Overcast. High 55°, low 35°.
Pressure30.30 inHg
Wind5.8 mph W
Humidity46%
Visibility—
Dew point31°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 2354° / 44°0.13
54 °
Grimms, Friday, 23 October
Climate normal for this date — 60-year average.
Average high54°
Average low44°
Average precipitation0.13 in
Chance of precipitation38%
Record high74° (1963)
Record low29° (1969)
Sat, 2454° / 44°0.1
54 °
Grimms, Saturday, 24 October
Climate normal for this date — 60-year average.
Average high54°
Average low44°
Average precipitation0.1 in
Chance of precipitation38%
Record high71° (1963)
Record low29° (1981)
Sun, 2553° / 43°0.06
53 °
Grimms, Sunday, 25 October
Climate normal for this date — 60-year average.
Average high53°
Average low43°
Average precipitation0.06 in
Chance of precipitation28%
Record high68° (2023)
Record low31° (1962)
Mon, 2652° / 43°0.08
52 °
Grimms, Monday, 26 October
Climate normal for this date — 60-year average.
Average high52°
Average low43°
Average precipitation0.08 in
Chance of precipitation23%
Record high71° (1963)
Record low28° (1962)
Tue, 2753° / 43°0.09
53 °
Grimms, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high53°
Average low43°
Average precipitation0.09 in
Chance of precipitation23%
Record high70° (2023)
Record low26° (2020)
Wed, 2851° / 42°0.07
51 °
Grimms, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high51°
Average low42°
Average precipitation0.07 in
Chance of precipitation28%
Record high64° (1986)
Record low30° (1967)
Thu, 2951° / 42°0.05
51 °
Grimms, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high51°
Average low42°
Average precipitation0.05 in
Chance of precipitation22%
Record high78° (2024)
Record low27° (1988)
Fri, 3052° / 43°0.08
52 °
Grimms, Friday, 30 October
Climate normal for this date — 60-year average.
Average high52°
Average low43°
Average precipitation0.08 in
Chance of precipitation27%
Record high76° (2024)
Record low26° (1988)
Sat, 3151° / 42°0.12
51 °
Grimms, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high51°
Average low42°
Average precipitation0.12 in
Chance of precipitation38%
Record high66° (1971)
Record low29° (1996)
Sun, 0150° / 41°0.16
50 °
Grimms, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high50°
Average low41°
Average precipitation0.16 in
Chance of precipitation35%
Record high66° (1999)
Record low25° (2019)
Mon, 0250° / 40°0.13
50 °
Grimms, Monday, 2 November
Climate normal for this date — 60-year average.
Average high50°
Average low40°
Average precipitation0.13 in
Chance of precipitation33%
Record high67° (1990)
Record low22° (1991)
Tue, 0349° / 39°0.06
49 °
Grimms, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high49°
Average low39°
Average precipitation0.06 in
Chance of precipitation27%
Record high65° (1987)
Record low19° (1991)
Wed, 0448° / 40°0.08
48 °
Grimms, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high48°
Average low40°
Average precipitation0.08 in
Chance of precipitation27%
Record high67° (2008)
Record low19° (1991)
Thu, 0549° / 40°0.09
49 °
Grimms, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high49°
Average low40°
Average precipitation0.09 in
Chance of precipitation28%
Record high66° (2020)
Record low22° (1991)
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 Grimms, 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 Grimms, 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.