What is today's weather forecast for Neptune, IA?

Today's forecast for Neptune shows a low of 46 degrees Fahrenheit. Mostly cloudy, with a low around 46.

What is the 7-day weather forecast for Neptune, IA?

The 7-day forecast for Neptune shows highs from 44 to 61 degrees and lows from 32 to 46 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Neptune, IA this week?

Yes, rain is possible in Neptune this week. Precipitation chances: Monday (50% chance), Wednesday (30% chance), Thursday (20% chance), Friday (30% chance).

How accurate is the Neptune weather forecast?

WeatherForYou provides highly accurate Neptune forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Neptune, IA Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

64°F
Feels Like 64°F

Humidity 43% Dew Point 41°F Wind N 2 MPH Gusts 6 Barometer N/A

Report from a MADIS/MESONET weather station 12.5 miles SW of central Neptune
at 8:10 PM Fri, Nov 14, 2025

Point Forecast at a Glance

FriNov 14

SatNov 15

SunNov 16

MonNov 17

50%

TueNov 18

WedNov 19

ThuNov 20

20%

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 44°F to 61°F. Some rain possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 4°F above the historical average for November. Normal highs for this period are around 46°F with lows around 24°F.

This Date in Weather History

1964 - With the help of a fresh three inch cover of snow, the temperature at Ely, NV, dipped to 15 degrees below zero to establish an all-time record low for the month of November. That record of -15 degrees was later equalled on the 19th of November in 1985.

Neptune, IA 7 Day Weather Forecast Details

Friday Nov 14

Night: Mostly cloudy, with a low around 46. South southwest wind around 10 mph becoming northwest after midnight.

Saturday Nov 15

Day: Sunny, with a high near 61. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Night: Mostly clear, with a low around 32. North northwest wind around 5 mph becoming calm.

Sunday Nov 16

Day: Mostly sunny, with a high near 53. North northeast wind around 5 mph becoming southeast in the afternoon.

Night: Mostly cloudy, with a low around 35. East southeast wind 5 to 10 mph.

Monday Nov 17

Day: A 50 percent chance of rain, mainly after noon. Increasing clouds, with a high near 46. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Night: A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 32.

Tuesday Nov 18

Day: Mostly cloudy, with a high near 44.

Night: Mostly cloudy, with a low around 33.

Wednesday Nov 19

Day: Partly sunny, with a high near 51.

Night: A 30 percent chance of rain. Mostly cloudy, with a low around 37.

Thursday Nov 20

Day: A 20 percent chance of rain. Partly sunny, with a high near 47.

Night: A 20 percent chance of rain. Mostly cloudy, with a low around 33.

Friday Nov 21

Day: A 30 percent chance of rain. Partly sunny, with a high near 47.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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