10-day forecast for Neptune, IA: 26° to 55°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
55°
Best day: Wednesday, November 11
53° · 0.16 in
Worst day: Wednesday, November 18
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1244° / 34°0
Morning38°feels 32°
Afternoon44°feels 39°
Evening34°feels 30°
Overnight41°feels 35°
44 °
Neptune, Thursday, 12 November
Overcast. High 44°, low 34°.
Pressure30.27 inHg
Wind9.2 mph N
Humidity68%
Visibility6.2 mi
Dew point26°
Fri, 1340° / 27°0
Morning32°feels 28°
Afternoon40°feels 40°
Evening29°feels 25°
Overnight31°feels 27°
40 °
Neptune, Friday, 13 November
Clear. High 40°, low 27°.
Pressure30.27 inHg
Wind2.6 mph E
Humidity72%
Visibility6.2 mi
Dew point23°
Sat, 1443° / 26°0
Morning27°feels 20°
Afternoon42°feels 36°
Evening35°feels 28°
Overnight26°feels 21°
43 °
Neptune, Saturday, 14 November
Clear. High 43°, low 26°.
Pressure30.27 inHg
Wind10.1 mph S
Humidity67%
Visibility6.2 mi
Dew point24°
Sun, 1545° / 34°0
Morning35°feels 29°
Afternoon41°feels 37°
Evening38°feels 33°
Overnight34°feels 27°
45 °
Neptune, Sunday, 15 November
Overcast. High 45°, low 34°.
Pressure30.36 inHg
Wind9.4 mph SE
Humidity66%
Visibility—
Dew point30°
Mon, 1648° / 29°0
Morning34°feels 28°
Afternoon44°feels 40°
Evening41°feels 36°
Overnight38°feels 32°
48 °
Neptune, Monday, 16 November
Clear. High 48°, low 29°.
Pressure30.45 inHg
Wind10.1 mph S
Humidity61%
Visibility—
Dew point30°
Tue, 1751° / 36°0
Morning39°feels 32°
Afternoon48°feels 42°
Evening45°feels 39°
Overnight42°feels 35°
51 °
Neptune, Tuesday, 17 November
Overcast. High 51°, low 36°.
Pressure30.21 inHg
Wind16 mph SE
Humidity47%
Visibility—
Dew point27°
Wed, 1853° / 44°0.16
Morning47°feels 41°
Afternoon50°feels 47°
Evening48°feels 41°
Overnight46°feels 38°
53 °
Neptune, Wednesday, 18 November
Rain. High 53°, low 44°.
Pressure29.91 inHg
Wind21 mph S
Humidity55%
Visibility—
Dew point34°
Thu, 1948° / 45°0.01
Morning47°feels 41°
Afternoon47°feels 44°
Evening47°feels 45°
Overnight45°feels 41°
48 °
Neptune, Thursday, 19 November
Light rain. High 48°, low 45°.
Pressure29.74 inHg
Wind18 mph S
Humidity87%
Visibility—
Dew point44°
Fri, 2051° / 41°0
Morning44°feels 40°
Afternoon50°feels 48°
Evening46°feels 43°
Overnight45°feels 40°
51 °
Neptune, Friday, 20 November
Overcast. High 51°, low 41°.
Pressure29.80 inHg
Wind11.9 mph NW
Humidity67%
Visibility—
Dew point39°
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.