10-day forecast for Neptune, IA: 39° to 66°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
63°
Best day: Monday, November 9
66° · 0.8 in
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 0359° / 48°0.2
Morning55°feels 54°
Afternoon51°feels 49°
Evening48°feels 42°
Overnight57°feels 57°
59 °
Neptune, Tuesday, 3 November
Rain. High 59°, low 48°.
Pressure29.83 inHg
Wind16.1 mph N
Humidity77%
Visibility6.2 mi
Dew point46°
Wed, 0447° / 45°0.03
Morning45°feels 39°
Afternoon46°feels 40°
Evening45°feels 39°
Overnight47°feels 41°
47 °
Neptune, Wednesday, 4 November
Light rain. High 47°, low 45°.
Pressure29.68 inHg
Wind15.9 mph W
Humidity75%
Visibility6.2 mi
Dew point39°
Thu, 0551° / 43°0.04
Morning44°feels 39°
Afternoon49°feels 44°
Evening48°feels 44°
Overnight44°feels 38°
51 °
Neptune, Thursday, 5 November
Light rain. High 51°, low 43°.
Pressure29.88 inHg
Wind12.9 mph NW
Humidity74%
Visibility6.2 mi
Dew point38°
Fri, 0649° / 43°0
Morning45°feels 42°
Afternoon49°feels 46°
Evening47°feels 46°
Overnight44°feels 40°
49 °
Neptune, Friday, 6 November
Overcast. High 49°, low 43°.
Pressure30.15 inHg
Wind8.3 mph N
Humidity66%
Visibility—
Dew point37°
Sat, 0757° / 39°0
Morning43°feels 41°
Afternoon52°feels 50°
Evening49°feels 46°
Overnight45°feels 41°
57 °
Neptune, Saturday, 7 November
Overcast. High 57°, low 39°.
Pressure30.00 inHg
Wind7.9 mph N
Humidity61%
Visibility—
Dew point38°
Sun, 0856° / 40°0
Morning44°feels 40°
Afternoon52°feels 49°
Evening48°feels 45°
Overnight44°feels 40°
56 °
Neptune, Sunday, 8 November
Partly cloudy. High 56°, low 40°.
Pressure30.21 inHg
Wind7.6 mph SW
Humidity55%
Visibility—
Dew point35°
Mon, 0963° / 42°0
Morning47°feels 44°
Afternoon58°feels 56°
Evening52°feels 49°
Overnight47°feels 44°
63 °
Neptune, Monday, 9 November
Clear. High 63°, low 42°.
Pressure29.97 inHg
Wind10.1 mph NW
Humidity37%
Visibility—
Dew point31°
Tue, 1058° / 41°0
Morning45°feels 41°
Afternoon54°feels 51°
Evening50°feels 47°
Overnight47°feels 43°
58 °
Neptune, Tuesday, 10 November
Mostly clear. High 58°, low 41°.
Pressure30.15 inHg
Wind7.8 mph NW
Humidity39%
Visibility—
Dew point28°
Wed, 1155° / 42°0
Morning47°feels 43°
Afternoon53°feels 50°
Evening46°feels 42°
Overnight43°feels 39°
55 °
Neptune, Wednesday, 11 November
Partly cloudy. High 55°, low 42°.
Pressure30.27 inHg
Wind10.8 mph N
Humidity41%
Visibility—
Dew point30°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Neptune, IA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.