Monthly outlook for Grand River, IA: average high 46.7°, average low 33.6°. That is 0.5° above the climate normal for November. Precipitation is expected on 5 days (about 2.4 inches), against a normal of 3 days and 1.1 inches. The warmest day looks like 21 November (61.3°), the coolest 24 November (25.4°).
46.7°/33.6°
Average high / low
+0.5°
Above normal
5 / 3
Wet days / normal
2.4 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
15 November – 24 November
51°
47.9°
+1.8°
25 November – 4 December
39.5°
41.5°
-1.1°
5 December – 14 December
at normal
37°
—
November records over 66 years
76.6°2 November 1964All-time high
-9.8°8 November 1991All-time low
Climate normals and records are computed from the nearest reference point — Kellerton (9 mi).
Mon, 1653° / 30°0
53 °
Grand River, Monday, 16 November
Clear. High 53°, low 30°.
Pressure30.47 inHg
Wind9.8 mph S
Humidity53%
Visibility6.2 mi
Dew point34°
Tue, 1756° / 36°0
56 °
Grand River, Tuesday, 17 November
Partly cloudy. High 56°, low 36°.
Pressure30.39 inHg
Wind12.8 mph S
Humidity54%
Visibility6.2 mi
Dew point37°
Wed, 1858° / 44°0
58 °
Grand River, Wednesday, 18 November
Overcast. High 58°, low 44°.
Pressure30.12 inHg
Wind19.1 mph S
Humidity56%
Visibility6.2 mi
Dew point40°
Thu, 1955° / 39°0
55 °
Grand River, Thursday, 19 November
Clear. High 55°, low 39°.
Pressure30.30 inHg
Wind14.2 mph SW
Humidity61%
Visibility—
Dew point40°
Fri, 2059° / 37°0
59 °
Grand River, Friday, 20 November
Overcast. High 59°, low 37°.
Pressure30.12 inHg
Wind15.8 mph S
Humidity76%
Visibility—
Dew point46°
Sat, 2161° / 46°1.09
61 °
Grand River, Saturday, 21 November
Rain. High 61°, low 46°.
Pressure29.77 inHg
Wind22.9 mph NW
Humidity96%
Visibility—
Dew point53°
Sun, 2244° / 35°0.06
44 °
Grand River, Sunday, 22 November
Light rain. High 44°, low 35°.
Pressure30.21 inHg
Wind21.7 mph NW
Humidity66%
Visibility—
Dew point31°
Mon, 2338° / 28°0
38 °
Grand River, Monday, 23 November
Partly cloudy. High 38°, low 28°.
Pressure30.50 inHg
Wind12.3 mph NE
Humidity42%
Visibility—
Dew point15°
Tue, 2437° / 25°0
37 °
Grand River, Tuesday, 24 November
Overcast. High 37°, low 25°.
Pressure30.53 inHg
Wind9.6 mph SE
Humidity51%
Visibility—
Dew point18°
Wed, 2543° / 29°0
43 °
Grand River, Wednesday, 25 November
Overcast. High 43°, low 29°.
Pressure30.30 inHg
Wind15.2 mph S
Humidity46%
Visibility—
Dew point21°
Thu, 2639° / 36°0.08
39 °
Grand River, Thursday, 26 November
Light rain. High 39°, low 36°.
Pressure30.06 inHg
Wind11.4 mph SE
Humidity74%
Visibility—
Dew point29°
Fri, 2739° / 34°1.1
39 °
Grand River, Friday, 27 November
Snow. High 39°, low 34°.
Pressure29.44 inHg
Wind22.3 mph NW
Humidity97%
Visibility—
Dew point36°
Sat, 2836° / 34°0.07
36 °
Grand River, Saturday, 28 November
Light snow. High 36°, low 34°.
Pressure29.68 inHg
Wind23.9 mph NW
Humidity87%
Visibility—
Dew point32°
Sun, 2937° / 29°0
37 °
Grand River, Sunday, 29 November
Clear. High 37°, low 29°.
Pressure30.18 inHg
Wind14.7 mph W
Humidity71%
Visibility—
Dew point28°
Mon, 3043° / 30°0
43 °
Grand River, Monday, 30 November
Overcast. High 43°, low 30°.
Pressure30.12 inHg
Wind14.5 mph S
Humidity64%
Visibility—
Dew point30°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 0141° / 26°0.08
41 °
Grand River, Tuesday, 1 December
Climate normal for this date — 60-year average.
Average high41°
Average low26°
Average precipitation0.08 in
Chance of precipitation22%
Record high62° (1970)
Record low-1° (1985)
Wed, 0242° / 26°0.02
42 °
Grand River, Wednesday, 2 December
Climate normal for this date — 60-year average.
Average high42°
Average low26°
Average precipitation0.02 in
Chance of precipitation15%
Record high62° (1973)
Record low-7° (1985)
Thu, 0340° / 25°0.06
40 °
Grand River, Thursday, 3 December
Climate normal for this date — 60-year average.
Average high40°
Average low25°
Average precipitation0.06 in
Chance of precipitation18%
Record high68° (2012)
Record low-7° (1985)
Fri, 0439° / 25°0.05
39 °
Grand River, Friday, 4 December
Climate normal for this date — 60-year average.
Average high39°
Average low25°
Average precipitation0.05 in
Chance of precipitation15%
Record high67° (2017)
Record low-3° (2025)
Sat, 0540° / 25°0.05
40 °
Grand River, Saturday, 5 December
Climate normal for this date — 60-year average.
Average high40°
Average low25°
Average precipitation0.05 in
Chance of precipitation22%
Record high64° (2001)
Record low0° (2008)
Sun, 0637° / 23°0.06
37 °
Grand River, Sunday, 6 December
Climate normal for this date — 60-year average.
Average high37°
Average low23°
Average precipitation0.06 in
Chance of precipitation35%
Record high56° (1966)
Record low-1° (1972)
Mon, 0737° / 22°0.06
37 °
Grand River, Monday, 7 December
Climate normal for this date — 60-year average.
Average high37°
Average low22°
Average precipitation0.06 in
Chance of precipitation23%
Record high59° (2023)
Record low-3° (2005)
Tue, 0837° / 22°0.07
37 °
Grand River, Tuesday, 8 December
Climate normal for this date — 60-year average.
Average high37°
Average low22°
Average precipitation0.07 in
Chance of precipitation25%
Record high60° (1991)
Record low2° (1995)
Wed, 0937° / 22°0.06
37 °
Grand River, Wednesday, 9 December
Climate normal for this date — 60-year average.
Average high37°
Average low22°
Average precipitation0.06 in
Chance of precipitation28%
Record high56° (2020)
Record low-6° (2005)
Thu, 1036° / 21°0.04
36 °
Grand River, Thursday, 10 December
Climate normal for this date — 60-year average.
Average high36°
Average low21°
Average precipitation0.04 in
Chance of precipitation15%
Record high58° (2020)
Record low-10° (2009)
Fri, 1136° / 21°0.04
36 °
Grand River, Friday, 11 December
Climate normal for this date — 60-year average.
Average high36°
Average low21°
Average precipitation0.04 in
Chance of precipitation18%
Record high62° (1965)
Record low-2° (2000)
Sat, 1237° / 22°0.04
37 °
Grand River, Saturday, 12 December
Climate normal for this date — 60-year average.
Average high37°
Average low22°
Average precipitation0.04 in
Chance of precipitation18%
Record high59° (1968)
Record low-16° (2000)
Sun, 1338° / 22°0.08
38 °
Grand River, Sunday, 13 December
Climate normal for this date — 60-year average.
Average high38°
Average low22°
Average precipitation0.08 in
Chance of precipitation27%
Record high60° (2015)
Record low-15° (1961)
Mon, 1437° / 22°0.09
37 °
Grand River, Monday, 14 December
Climate normal for this date — 60-year average.
Average high37°
Average low22°
Average precipitation0.09 in
Chance of precipitation30%
Record high58° (1975)
Record low-14° (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 Grand River, IA 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 Grand River, IA 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.