10-day forecast for Neptune, IA: 34° to 65°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
59°
Best day: Monday, November 9
65° · 0.74 in
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 0358° / 47°0.09
Morning55°feels 54°
Afternoon52°feels 51°
Evening48°feels 42°
Overnight56°feels 55°
58 °
Neptune, Tuesday, 3 November
Light rain. High 58°, low 47°.
Pressure29.80 inHg
Wind16.2 mph N
Humidity75%
Visibility4.9 mi
Dew point46°
Wed, 0447° / 45°0.03
Morning46°feels 40°
Afternoon46°feels 40°
Evening45°feels 39°
Overnight47°feels 42°
47 °
Neptune, Wednesday, 4 November
Light rain. High 47°, low 45°.
Pressure29.74 inHg
Wind15.2 mph W
Humidity81%
Visibility5.5 mi
Dew point41°
Thu, 0553° / 42°0.03
Morning45°feels 39°
Afternoon53°feels 51°
Evening44°feels 41°
Overnight46°feels 40°
53 °
Neptune, Thursday, 5 November
Light rain. High 53°, low 42°.
Pressure29.88 inHg
Wind11.9 mph NW
Humidity56%
Visibility6.2 mi
Dew point36°
Fri, 0649° / 34°0
Morning38°feels 35°
Afternoon47°feels 44°
Evening41°feels 39°
Overnight37°feels 31°
49 °
Neptune, Friday, 6 November
Overcast. High 49°, low 34°.
Pressure30.12 inHg
Wind5.2 mph N
Humidity64%
Visibility6.2 mi
Dew point36°
Sat, 0750° / 35°0.1
Morning39°feels 35°
Afternoon49°feels 45°
Evening46°feels 41°
Overnight44°feels 38°
50 °
Neptune, Saturday, 7 November
Light rain. High 50°, low 35°.
Pressure29.91 inHg
Wind20.8 mph NW
Humidity70%
Visibility—
Dew point38°
Sun, 0851° / 41°0.02
Morning45°feels 39°
Afternoon47°feels 41°
Evening43°feels 39°
Overnight42°feels 38°
51 °
Neptune, Sunday, 8 November
Light rain. High 51°, low 41°.
Pressure30.03 inHg
Wind15.4 mph NW
Humidity69%
Visibility—
Dew point37°
Mon, 0959° / 39°0
Morning44°feels 39°
Afternoon56°feels 53°
Evening49°feels 45°
Overnight44°feels 40°
59 °
Neptune, Monday, 9 November
Clear. High 59°, low 39°.
Pressure29.94 inHg
Wind15.1 mph NW
Humidity37%
Visibility—
Dew point29°
Tue, 1053° / 38°0
Morning42°feels 38°
Afternoon51°feels 48°
Evening47°feels 43°
Overnight44°feels 40°
53 °
Neptune, Tuesday, 10 November
Overcast. High 53°, low 38°.
Pressure30.12 inHg
Wind10 mph SE
Humidity34%
Visibility—
Dew point23°
Wed, 1153° / 40°0
Morning46°feels 42°
Afternoon51°feels 48°
Evening44°feels 37°
Overnight41°feels 35°
53 °
Neptune, Wednesday, 11 November
Partly cloudy. High 53°, low 40°.
Pressure30.06 inHg
Wind17 mph NW
Humidity34%
Visibility—
Dew point24°
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.