Monthly outlook for Greenville, IA: average high 53.2°, average low 42.1°. That is 1.1° above the climate normal for October. Precipitation is expected on 7 days (about 4.6 inches), against a normal of 4 days and 1.0 inches. The warmest day looks like 28 October (71.1°), the coolest 6 November (27.9°).
53.2°/42.1°
Average high / low
+1.1°
Above normal
7 / 4
Wet days / normal
4.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
26 October – 4 November
58.4°
52.7°
+3.1°
5 November – 14 November
44.7°
46.8°
-1.2°
15 November – 24 November
at normal
42.5°
—
October records over 66 years
89.1°3 October 2025All-time high
14.2°27 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Webb (8 mi).
Tue, 2759° / 44°0.08
59 °
Greenville, Tuesday, 27 October
Rain. High 59°, low 44°.
Pressure30.12 inHg
Wind3.8 mph SW
Humidity77%
Visibility6.2 mi
Dew point45°
Wed, 2871° / 53°0.04
71 °
Greenville, Wednesday, 28 October
Light rain. High 71°, low 53°.
Pressure29.94 inHg
Wind12.7 mph S
Humidity71%
Visibility6.2 mi
Dew point57°
Thu, 2962° / 47°0
62 °
Greenville, Thursday, 29 October
Clear. High 62°, low 47°.
Pressure30.18 inHg
Wind5.7 mph NE
Humidity52%
Visibility6.2 mi
Dew point41°
Fri, 3061° / 46°0
61 °
Greenville, Friday, 30 October
Overcast. High 61°, low 46°.
Pressure30.18 inHg
Wind6 mph E
Humidity69%
Visibility6.2 mi
Dew point45°
Sat, 3162° / 52°0.2
62 °
Greenville, Saturday, 31 October
Light rain. High 62°, low 52°.
Pressure30.06 inHg
Wind7.3 mph SW
Humidity93%
Visibility—
Dew point56°
Sun, 0160° / 47°0
60 °
Greenville, Sunday, 1 November
Overcast. High 60°, low 47°.
Pressure30.00 inHg
Wind7 mph E
Humidity73%
Visibility—
Dew point49°
Mon, 0252° / 50°0.34
52 °
Greenville, Monday, 2 November
Rain. High 52°, low 50°.
Pressure29.80 inHg
Wind21.5 mph NE
Humidity86%
Visibility—
Dew point48°
Tue, 0357° / 49°1.7
57 °
Greenville, Tuesday, 3 November
Heavy rain. High 57°, low 49°.
Pressure29.65 inHg
Wind21.2 mph NE
Humidity97%
Visibility—
Dew point53°
Wed, 0450° / 43°1.69
50 °
Greenville, Wednesday, 4 November
Heavy rain. High 50°, low 43°.
Pressure29.44 inHg
Wind33.2 mph NW
Humidity91%
Visibility—
Dew point45°
Thu, 0538° / 31°0.01
38 °
Greenville, Thursday, 5 November
Light snow. High 38°, low 31°.
Pressure29.91 inHg
Wind29.7 mph NW
Humidity64%
Visibility—
Dew point24°
Fri, 0638° / 28°0
38 °
Greenville, Friday, 6 November
Mostly clear. High 38°, low 28°.
Pressure30.12 inHg
Wind20.8 mph NW
Humidity52%
Visibility—
Dew point20°
Sat, 0741° / 28°0
41 °
Greenville, Saturday, 7 November
Clear. High 41°, low 28°.
Pressure30.18 inHg
Wind7 mph SE
Humidity36%
Visibility—
Dew point13°
Sun, 0848° / 34°0
48 °
Greenville, Sunday, 8 November
Overcast. High 48°, low 34°.
Pressure29.77 inHg
Wind16.9 mph S
Humidity64%
Visibility—
Dew point32°
Mon, 0955° / 41°0
55 °
Greenville, Monday, 9 November
Overcast. High 55°, low 41°.
Pressure29.62 inHg
Wind16.2 mph NW
Humidity62%
Visibility—
Dew point39°
Tue, 1047° / 37°0.08
47 °
Greenville, Tuesday, 10 November
Snow. High 47°, low 37°.
Pressure29.80 inHg
Wind14 mph N
Humidity73%
Visibility—
Dew point38°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 1144° / 28°0.07
44 °
Greenville, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high44°
Average low28°
Average precipitation0.07 in
Chance of precipitation22%
Record high67° (1964)
Record low4° (1986)
Thu, 1242° / 28°0.07
42 °
Greenville, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high42°
Average low28°
Average precipitation0.07 in
Chance of precipitation23%
Record high66° (2005)
Record low4° (1966)
Fri, 1345° / 29°0.06
45 °
Greenville, Friday, 13 November
Climate normal for this date — 60-year average.
Average high45°
Average low29°
Average precipitation0.06 in
Chance of precipitation28%
Record high71° (1999)
Record low2° (1986)
Sat, 1445° / 30°0.03
45 °
Greenville, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high45°
Average low30°
Average precipitation0.03 in
Chance of precipitation13%
Record high72° (2025)
Record low10° (2014)
Sun, 1546° / 29°0.06
46 °
Greenville, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high46°
Average low29°
Average precipitation0.06 in
Chance of precipitation23%
Record high69° (2001)
Record low8° (1976)
Mon, 1645° / 29°0.07
45 °
Greenville, Monday, 16 November
Climate normal for this date — 60-year average.
Average high45°
Average low29°
Average precipitation0.07 in
Chance of precipitation22%
Record high70° (2001)
Record low-3° (1976)
Tue, 1744° / 30°0.07
44 °
Greenville, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high44°
Average low30°
Average precipitation0.07 in
Chance of precipitation25%
Record high65° (2001)
Record low8° (2014)
Wed, 1844° / 29°0.07
44 °
Greenville, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high44°
Average low29°
Average precipitation0.07 in
Chance of precipitation27%
Record high71° (1999)
Record low6° (2014)
Thu, 1943° / 29°0.08
43 °
Greenville, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high43°
Average low29°
Average precipitation0.08 in
Chance of precipitation27%
Record high62° (2020)
Record low2° (1997)
Fri, 2041° / 27°0.08
41 °
Greenville, Friday, 20 November
Climate normal for this date — 60-year average.
Average high41°
Average low27°
Average precipitation0.08 in
Chance of precipitation20%
Record high63° (2003)
Record low7° (2000)
Sat, 2141° / 25°0.04
41 °
Greenville, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high41°
Average low25°
Average precipitation0.04 in
Chance of precipitation13%
Record high69° (1990)
Record low-7° (2000)
Sun, 2241° / 26°0.03
41 °
Greenville, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high41°
Average low26°
Average precipitation0.03 in
Chance of precipitation15%
Record high62° (1966)
Record low6° (2000)
Mon, 2340° / 25°0.05
40 °
Greenville, Monday, 23 November
Climate normal for this date — 60-year average.
Average high40°
Average low25°
Average precipitation0.05 in
Chance of precipitation23%
Record high57° (2006)
Record low0° (1985)
Tue, 2440° / 25°0.06
40 °
Greenville, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high40°
Average low25°
Average precipitation0.06 in
Chance of precipitation18%
Record high62° (2011)
Record low-6° (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 Greenville, 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 Greenville, 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.