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Lancaster, IA 7-Day Weather Forecast
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Lancaster Weather Forecast
Lancaster, IA Weather Forecast Date: 336 PM CDT Sat Sep 19 2026
Weather forecast for Lancaster, IA
Tonight Lo: 61°F Lo: 16°C |
Tonight... A chance of showers with a slight chance of thunderstorms early, then showers with thunderstorms likely. Humid with lows in the lower 60s. Southwest winds 5 to 10 mph, becoming northwest. Chance of rain 90%. |
Sun Hi: 65°FHi: 18°C Lo: 59°F Lo: 15°C |
Sunday... Cloudy with a slight chance of thunderstorms. Showers likely, mainly in the morning. Not as warm and humid. Near steady temperature in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70%. |
Mon Hi: 59°FHi: 15°C Lo: 51°F Lo: 11°C |
Monday... Showers. Near steady temperature in the upper 50s. Northeast winds 10 to 15 mph. Chance of rain 80%. |
Tue Hi: 60°FHi: 16°C Lo: 50°F Lo: 10°C |
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Highs around 60. |
Wed Hi: 61°FHi: 16°C Lo: 50°F Lo: 10°C |
Wednesday... Partly cloudy. Lows around 50. Highs in the lower 60s. |
| Wed Hi: 61°FHi: 16°C Lo: 50°F Lo: 10°C |
Wednesday... Partly cloudy. Lows around 50. Highs in the lower 60s. |
| Thu Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Thursday... Mostly cloudy. Highs in the upper 60s. Lows in the mid 50s. |
| Fri Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Friday... Mostly cloudy. Highs in the upper 60s. Lows in the mid 50s. |
| Fri Hi: 69°FHi: 21°C Lo: 59°F Lo: 15°C |
Friday... Mostly cloudy. Highs in the upper 60s. Lows in the mid 50s. |
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