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Neptune, IA 7-Day Night Weather Forecast
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Neptune, IA Weather Forecast
Neptune, IA Weather Forecast Date: 549 PM CDT Wed Oct 14 2026
The area/counties/county of: Plymouth, including the city of Le Mars.or toggle through each period.
Tonight... Cloudy. Showers likely after midnight. Lows in the mid 40s. Northeast winds 5 to 10 mph. Chance of rain 70%.
Thursday... Showers. Highs in the mid 50s. North winds 10 to 15 mph. Chance of rain near 100%.
Thursday Night... Mostly cloudy and breezy. Lows around 40. Northwest winds 15 to 25 mph with gusts up to 35 mph.
Friday... Mostly cloudy in the morning, then clearing. Breezy with highs in the lower 50s. Northwest winds 15 to 25 mph with gusts up to 35 mph.
Friday Night... Clear. Widespread frost after midnight. Lows in the lower 30s. Northwest winds 5 to 10 mph, becoming south after midnight.
Saturday... Widespread frost in the morning. Sunny. Highs around 60.
Saturday Night... Clear. Not as cool with lows in the lower 40s.
Sunday... Sunny. Highs in the mid 60s.
Sunday Night... Partly cloudy. Lows in the mid 40s.
Monday... Mostly sunny. Highs in the upper 60s.
Monday Night... Mostly clear. Lows in the upper 40s.
Tuesday... Sunny. Highs in the lower 70s.
Tuesday Night... Mostly clear. Lows in the lower 50s.
POP = Probability of Precipitation
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