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Sinclair, IA Weather Tomorrow

Tomorrow's weather forecast for Sinclair is supported by a complete 5 day outlook covering precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Sinclair area and around Butler county, Iowa.
Updated: Fri Nov 13th 2026 12:00 PM CST
Sinclair, IA Weather – 11-13 – Sunny
40° / 26°
Sunny
In Sinclair, bright and sunny conditions with highs near 40°F and lows around 26°F. There's a very small chance of rainfall, only about 6%. Snow is likely with a 10% chance. Winds will be light at 9mph and gusts of 14.5mph at 1 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 77% at 11 PM and 47% being its lowest at 3 PM. Barometric pressure is its highest of 30.26inHg at 11 PM, a lowest point of 30.18inHg at 3 PM with an avg 30.21inHg.
Sinclair, IA Weather – 11-14 – Sunny
43° / 27°

Weather Tomorrow

Sunny
Sinclair could see a sunny day with daytime highs of 43°F and nighttime lows near 27°F. There's a very small chance of rainfall, only about 6%. Snow is likely with a 10% chance. Winds will be light at 4mph and gusts of 7.7mph at 12 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 81% at 6 AM and 48% being its lowest at 2 PM. Barometric pressure is its highest of 30.36inHg at 11 PM, a lowest point of 30.26inHg at 12 AM with an avg 30.31inHg.
Sinclair, IA Weather – 11-15 – Sunny
47° / 29°
Sunny
Highs will reach 47°F with lows near 29°F in Sinclair, where sunshine is. There's a very small chance of rainfall, only about 7%. Snow is likely with a 5% chance. Winds will be light at 7mph and gusts of 12.2mph at 12 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 81% at 6 AM and 48% being its lowest at 2 PM. Barometric pressure is its highest of 30.47inHg at 9 AM, a lowest point of 30.37inHg at 12 AM with an avg 30.43inHg.
Sinclair, IA Weather – 11-16 – Sunny
50° / 31°
Sunny
In Sinclair, bright and sunny conditions with highs near 50°F and lows around 31°F. There's a very small chance of rainfall, only about 7%. Wind will be moderate, blowing around 12mph on average and gusts of 27.8mph at 11 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 85% at 6 AM and 50% being its lowest at 1 PM. Barometric pressure is its highest of 30.5inHg at 8 AM, a lowest point of 30.38inHg at 3 PM with an avg 30.44inHg.
Sinclair, IA Weather – 11-17 – Partly Cloudy
53° / 36°
Partly Cloudy
In Sinclair, skies will be cloudy with highs near 53°F and lows around 36°F. There's a very small chance of rainfall, only about 10%. Wind will be moderate, blowing around 14mph on average and gusts of 37.6mph at 11 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 82% at 6 AM and 56% being its lowest at 3 PM. Barometric pressure is its highest of 30.41inHg at 12 AM, a lowest point of 30.25inHg at 11 PM with an avg 30.34inHg.
Sinclair, IA Weather – 11-18 – Partly Cloudy
57° / 42°
Partly Cloudy
In Sinclair, overcast conditions are likely with a high near 57°F and a low around 42°F. There's a moderate 36% chance of rainfall with an estimated 0.02in. Wind will be moderate, blowing around 18mph on average and gusts of 40.2mph at 12 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 75% at 11 PM and 54% being its lowest at 12 PM. Barometric pressure is its highest of 30.24inHg at 12 AM, a lowest point of 30.02inHg at 4 PM with an avg 30.11inHg.

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