As of 16:14 CDT

Weather in Neptune, WI

54°Current weather

Neptune, Friday, 16 October, 16:14

Mostly clear. Feels like 51°. High 54°, low 40°.

Pressure30.30 inHg
Wind12.7 mph N
Humidity47%
Visibility6.2 mi
Dew point35°

Monthly outlook for Neptune, WI: average high 60.7°, average low 44.1°. That is 3.1° above the climate normal for October. Precipitation is expected on 4 days (about 0.5 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 24 October (69.6°), the coolest 17 October (31.8°).

60.7°/44.1°
Average high / low
+3.1°
Above normal
4 / 4
Wet days / normal
0.5 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
16 October – 25 October63.9°56.2°+4.2°
26 October – 4 November55.5°51.9°+2°
5 November – 14 Novemberat normal45.9°—

October records over 66 years

86.4°3 October 2025All-time high
21°30 October 1988All-time low

Climate normals and records are computed from the nearest reference point — Ironton (13 mi).

Sat, 1754° / 32°0Clear
54 °Clear

Neptune, Saturday, 17 October

Clear. High 54°, low 32°.

Pressure30.47 inHg
Wind11.1 mph SW
Humidity47%
Visibility6.2 mi
Dew point31°
Sun, 1861° / 42°0Clear
61 °Clear

Neptune, Sunday, 18 October

Clear. High 61°, low 42°.

Pressure30.33 inHg
Wind13.7 mph SW
Humidity56%
Visibility6.2 mi
Dew point41°
Mon, 1963° / 42°0Overcast
63 °Overcast

Neptune, Monday, 19 October

Overcast. High 63°, low 42°.

Pressure30.36 inHg
Wind6.1 mph S
Humidity59%
Visibility6.2 mi
Dew point45°
Tue, 2065° / 45°0.01Light rain
65 °Light rain

Neptune, Tuesday, 20 October

Light rain. High 65°, low 45°.

Pressure30.33 inHg
Wind5.8 mph SE
Humidity55%
Visibility6.2 mi
Dew point45°
Wed, 2168° / 47°0Partly cloudy
68 °Partly cloudy

Neptune, Wednesday, 21 October

Partly cloudy. High 68°, low 47°.

Pressure30.24 inHg
Wind7.2 mph S
Humidity49%
Visibility—
Dew point45°
Thu, 2268° / 49°0Mostly clear
68 °Mostly clear

Neptune, Thursday, 22 October

Mostly clear. High 68°, low 49°.

Pressure30.15 inHg
Wind10.2 mph SW
Humidity57%
Visibility—
Dew point48°
Fri, 2366° / 53°0Overcast
66 °Overcast

Neptune, Friday, 23 October

Overcast. High 66°, low 53°.

Pressure30.18 inHg
Wind11.1 mph SE
Humidity59%
Visibility—
Dew point49°
Sat, 2470° / 52°0Mostly clear
70 °Mostly clear

Neptune, Saturday, 24 October

Mostly clear. High 70°, low 52°.

Pressure30.21 inHg
Wind11.2 mph S
Humidity48%
Visibility—
Dew point46°
Sun, 2569° / 52°0.06Light rain
69 °Light rain

Neptune, Sunday, 25 October

Light rain. High 69°, low 52°.

Pressure30.09 inHg
Wind12.4 mph NW
Humidity53%
Visibility—
Dew point50°
Mon, 2650° / 37°0.04Light rain
50 °Light rain

Neptune, Monday, 26 October

Light rain. High 50°, low 37°.

Pressure30.24 inHg
Wind14.2 mph NW
Humidity57%
Visibility—
Dew point30°
Tue, 2755° / 32°0Clear
55 °Clear

Neptune, Tuesday, 27 October

Clear. High 55°, low 32°.

Pressure30.27 inHg
Wind10 mph SW
Humidity43%
Visibility—
Dew point28°
Wed, 2856° / 40°0Overcast
56 °Overcast

Neptune, Wednesday, 28 October

Overcast. High 56°, low 40°.

Pressure30.15 inHg
Wind12.5 mph S
Humidity56%
Visibility—
Dew point34°
Thu, 2964° / 53°0.08Light rain
64 °Light rain

Neptune, Thursday, 29 October

Light rain. High 64°, low 53°.

Pressure29.56 inHg
Wind18.1 mph NW
Humidity68%
Visibility—
Dew point53°
Fri, 3056° / 45°0Overcast
56 °Overcast

Neptune, Friday, 30 October

Overcast. High 56°, low 45°.

Pressure29.97 inHg
Wind15.2 mph NW
Humidity57%
Visibility—
Dew point39°
Sat, 3152° / 44°0.31Rain
52 °Rain

Neptune, Saturday, 31 October

Rain. High 52°, low 44°.

Pressure29.94 inHg
Wind12.9 mph SE
Humidity70%
Visibility—
Dew point42°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 0151° / 38°0.19Climate normal
51 °Climate normal

Neptune, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high51°
Average low38°
Average precipitation0.19 in
Chance of precipitation27%
Record high71° (2000)
Record low22° (2023)
Mon, 0250° / 38°0.08Climate normal
50 °Climate normal

Neptune, Monday, 2 November

Climate normal for this date — 60-year average.

Average high50°
Average low38°
Average precipitation0.08 in
Chance of precipitation32%
Record high69° (1990)
Record low17° (1991)
Tue, 0350° / 37°0.06Climate normal
50 °Climate normal

Neptune, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high50°
Average low37°
Average precipitation0.06 in
Chance of precipitation25%
Record high71° (1964)
Record low13° (1991)
Wed, 0449° / 37°0.09Climate normal
49 °Climate normal

Neptune, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high49°
Average low37°
Average precipitation0.09 in
Chance of precipitation33%
Record high71° (2008)
Record low10° (1991)
Thu, 0549° / 36°0.09Climate normal
49 °Climate normal

Neptune, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high49°
Average low36°
Average precipitation0.09 in
Chance of precipitation32%
Record high68° (2020)
Record low17° (1991)
Fri, 0649° / 35°0.07Climate normal
49 °Climate normal

Neptune, Friday, 6 November

Climate normal for this date — 60-year average.

Average high49°
Average low35°
Average precipitation0.07 in
Chance of precipitation27%
Record high68° (2020)
Record low10° (1991)
Sat, 0748° / 35°0.02Climate normal
48 °Climate normal

Neptune, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high48°
Average low35°
Average precipitation0.02 in
Chance of precipitation15%
Record high67° (2020)
Record low-6° (1991)
Sun, 0848° / 34°0.04Climate normal
48 °Climate normal

Neptune, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high48°
Average low34°
Average precipitation0.04 in
Chance of precipitation23%
Record high70° (2020)
Record low1° (1991)
Mon, 0947° / 35°0.09Climate normal
47 °Climate normal

Neptune, Monday, 9 November

Climate normal for this date — 60-year average.

Average high47°
Average low35°
Average precipitation0.09 in
Chance of precipitation33%
Record high70° (1999)
Record low17° (1991)
Tue, 1046° / 33°0.12Climate normal
46 °Climate normal

Neptune, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high46°
Average low33°
Average precipitation0.12 in
Chance of precipitation37%
Record high69° (2022)
Record low11° (2017)
Wed, 1144° / 31°0.07Climate normal
44 °Climate normal

Neptune, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high44°
Average low31°
Average precipitation0.07 in
Chance of precipitation32%
Record high68° (1964)
Record low11° (2019)
Thu, 1242° / 30°0.06Climate normal
42 °Climate normal

Neptune, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high42°
Average low30°
Average precipitation0.06 in
Chance of precipitation28%
Record high62° (1964)
Record low1° (2019)
Fri, 1343° / 30°0.05Climate normal
43 °Climate normal

Neptune, Friday, 13 November

Climate normal for this date — 60-year average.

Average high43°
Average low30°
Average precipitation0.05 in
Chance of precipitation22%
Record high67° (1999)
Record low5° (1986)
Sat, 1444° / 31°0.02Climate normal
44 °Climate normal

Neptune, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high44°
Average low31°
Average precipitation0.02 in
Chance of precipitation22%
Record high64° (1971)
Record low15° (1986)

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 Neptune, 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 Neptune, 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.