Monthly outlook for Portland, WI: average high 48.5°, average low 35.8°. That is 3.5° above the climate normal for November. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 21 November (62.9°), the coolest 26 November (22°).
48.5°/35.8°
Average high / low
+3.5°
Above normal
3 / 4
Wet days / normal
0.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 November – 21 November
50.1°
43.5°
+3.7°
22 November – 1 December
45.7°
38.7°
+3.9°
2 December – 11 December
at normal
33.1°
—
November records over 66 years
72.7°9 November 2020All-time high
-0.9°29 November 1995All-time low
Climate normals and records are computed from the nearest reference point — Reeseville (10 mi).
Fri, 1342° / 34°0
42 °
Portland, Friday, 13 November
Overcast. High 42°, low 34°.
Pressure30.15 inHg
Wind13.2 mph N
Humidity67%
Visibility6.2 mi
Dew point22°
Sat, 1444° / 30°0
44 °
Portland, Saturday, 14 November
Mostly clear. High 44°, low 30°.
Pressure30.30 inHg
Wind7.9 mph NW
Humidity66%
Visibility6.2 mi
Dew point27°
Sun, 1545° / 27°0
45 °
Portland, Sunday, 15 November
Clear. High 45°, low 27°.
Pressure30.47 inHg
Wind3.1 mph W
Humidity61%
Visibility6.2 mi
Dew point29°
Mon, 1649° / 31°0
49 °
Portland, Monday, 16 November
Clear. High 49°, low 31°.
Pressure30.47 inHg
Wind10 mph SW
Humidity56%
Visibility6.2 mi
Dew point33°
Tue, 1752° / 34°0
52 °
Portland, Tuesday, 17 November
Partly cloudy. High 52°, low 34°.
Pressure30.42 inHg
Wind10.6 mph SW
Humidity54%
Visibility—
Dew point33°
Wed, 1851° / 35°0
51 °
Portland, Wednesday, 18 November
Overcast. High 51°, low 35°.
Pressure30.24 inHg
Wind16 mph S
Humidity56%
Visibility—
Dew point34°
Thu, 1957° / 47°0.04
57 °
Portland, Thursday, 19 November
Light rain. High 57°, low 47°.
Pressure29.97 inHg
Wind19.8 mph SW
Humidity69%
Visibility—
Dew point46°
Fri, 2055° / 41°0
55 °
Portland, Friday, 20 November
Overcast. High 55°, low 41°.
Pressure30.36 inHg
Wind11.1 mph SE
Humidity62%
Visibility—
Dew point39°
Sat, 2163° / 51°0
63 °
Portland, Saturday, 21 November
Overcast. High 63°, low 51°.
Pressure30.06 inHg
Wind16.7 mph SW
Humidity63%
Visibility—
Dew point49°
Sun, 2261° / 54°0.08
61 °
Portland, Sunday, 22 November
Light rain. High 61°, low 54°.
Pressure29.97 inHg
Wind12.4 mph S
Humidity83%
Visibility—
Dew point52°
Mon, 2360° / 51°0.02
60 °
Portland, Monday, 23 November
Light rain. High 60°, low 51°.
Pressure29.65 inHg
Wind17.8 mph SW
Humidity79%
Visibility—
Dew point52°
Tue, 2448° / 29°0.42
48 °
Portland, Tuesday, 24 November
Snow. High 48°, low 29°.
Pressure29.83 inHg
Wind17.9 mph NW
Humidity57%
Visibility—
Dew point22°
Wed, 2533° / 26°0
33 °
Portland, Wednesday, 25 November
Overcast. High 33°, low 26°.
Pressure30.18 inHg
Wind12.9 mph NW
Humidity50%
Visibility—
Dew point15°
Thu, 2631° / 22°0
31 °
Portland, Thursday, 26 November
Clear. High 31°, low 22°.
Pressure30.42 inHg
Wind9 mph NW
Humidity37%
Visibility—
Dew point7°
Fri, 2741° / 24°0
41 °
Portland, Friday, 27 November
Overcast. High 41°, low 24°.
Pressure30.15 inHg
Wind21 mph S
Humidity51%
Visibility—
Dew point22°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 2837° / 25°0.09
37 °
Portland, Saturday, 28 November
Climate normal for this date — 60-year average.
Average high37°
Average low25°
Average precipitation0.09 in
Chance of precipitation32%
Record high61° (1990)
Record low6° (2014)
Sun, 2937° / 25°0.06
37 °
Portland, Sunday, 29 November
Climate normal for this date — 60-year average.
Average high37°
Average low25°
Average precipitation0.06 in
Chance of precipitation35%
Record high63° (1998)
Record low-1° (1995)
Mon, 3038° / 25°0.05
38 °
Portland, Monday, 30 November
Climate normal for this date — 60-year average.
Average high38°
Average low25°
Average precipitation0.05 in
Chance of precipitation25%
Record high64° (1998)
Record low5° (1964)
Tue, 0135° / 24°0.09
35 °
Portland, Tuesday, 1 December
Climate normal for this date — 60-year average.
Average high35°
Average low24°
Average precipitation0.09 in
Chance of precipitation32%
Record high57° (1970)
Record low1° (2025)
Wed, 0236° / 24°0.04
36 °
Portland, Wednesday, 2 December
Climate normal for this date — 60-year average.
Average high36°
Average low24°
Average precipitation0.04 in
Chance of precipitation25%
Record high64° (1982)
Record low1° (1976)
Thu, 0335° / 23°0.09
35 °
Portland, Thursday, 3 December
Climate normal for this date — 60-year average.
Average high35°
Average low23°
Average precipitation0.09 in
Chance of precipitation32%
Record high63° (1982)
Record low-7° (1985)
Fri, 0435° / 23°0.05
35 °
Portland, Friday, 4 December
Climate normal for this date — 60-year average.
Average high35°
Average low23°
Average precipitation0.05 in
Chance of precipitation28%
Record high60° (2017)
Record low-3° (2025)
Sat, 0535° / 22°0.06
35 °
Portland, Saturday, 5 December
Climate normal for this date — 60-year average.
Average high35°
Average low22°
Average precipitation0.06 in
Chance of precipitation30%
Record high64° (2001)
Record low-4° (2005)
Sun, 0633° / 20°0.04
33 °
Portland, Sunday, 6 December
Climate normal for this date — 60-year average.
Average high33°
Average low20°
Average precipitation0.04 in
Chance of precipitation27%
Record high55° (1998)
Record low-7° (2005)
Mon, 0731° / 20°0.07
31 °
Portland, Monday, 7 December
Climate normal for this date — 60-year average.
Average high31°
Average low20°
Average precipitation0.07 in
Chance of precipitation27%
Record high48° (1963)
Record low-7° (2005)
Tue, 0832° / 20°0.05
32 °
Portland, Tuesday, 8 December
Climate normal for this date — 60-year average.
Average high32°
Average low20°
Average precipitation0.05 in
Chance of precipitation27%
Record high55° (2023)
Record low-5° (2005)
Wed, 0932° / 20°0.08
32 °
Portland, Wednesday, 9 December
Climate normal for this date — 60-year average.
Average high32°
Average low20°
Average precipitation0.08 in
Chance of precipitation45%
Record high48° (1993)
Record low-10° (1978)
Thu, 1031° / 19°0.08
31 °
Portland, Thursday, 10 December
Climate normal for this date — 60-year average.
Average high31°
Average low19°
Average precipitation0.08 in
Chance of precipitation25%
Record high56° (2015)
Record low-10° (1978)
Fri, 1130° / 18°0.08
30 °
Portland, Friday, 11 December
Climate normal for this date — 60-year average.
Average high30°
Average low18°
Average precipitation0.08 in
Chance of precipitation23%
Record high51° (1979)
Record low-14° (1972)
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 Portland, 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 Portland, 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.