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Augusta, MO Weather Tomorrow

Your Augusta weather tomorrow forecast is paired with a detailed 5 day outlook featuring daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details across the Augusta area and around St. Charles county, Missouri.
Updated: Tue Oct 20th 2026 3:00 AM CDT
Augusta, MO Weather – 10-20 – Sunny
74° / 48°
Sunny
Bright and sunny conditions in Augusta, with a high of 74°F and a low of 48°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 6mph and gusts of 14.1mph at 7 PM. Humidity levels should be comfortable, sitting around 53% on average, the maximum being 72% at 7 AM and 31% being its lowest at 4 PM. Barometric pressure is its highest of 30.35inHg at 8 AM, a lowest point of 30.24inHg at 4 PM with an avg 30.29inHg.
Augusta, MO Weather – 10-21 – Sunny
76° / 52°

Weather Tomorrow

Sunny
In Augusta, it will be sunny with highs near 76°F and lows around 52°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 4mph and gusts of 15mph at 8 PM. Humidity levels should be comfortable, sitting around 47% on average, the maximum being 60% at 4 AM and 29% being its lowest at 3 PM. Barometric pressure is its highest of 30.28inHg at 9 AM, a lowest point of 30.17inHg at 4 PM with an avg 30.23inHg.
Augusta, MO Weather – 10-22 – Sunny
77° / 53°
Sunny
In Augusta, it will be sunny with highs near 77°F and lows around 53°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 5mph and gusts of 14.5mph at 2 AM. Humidity levels should be comfortable, sitting around 48% on average, the maximum being 62% at 7 AM and 29% being its lowest at 3 PM. Barometric pressure is its highest of 30.26inHg at 10 AM, a lowest point of 30.16inHg at 4 PM with an avg 30.21inHg.
Augusta, MO Weather – 10-23 – Sunny
79° / 54°
Sunny
Highs will reach 79°F with lows near 54°F in Augusta, where a sunny day is. There's a very small chance of rainfall, only about 3%. Winds will be light at 9mph and gusts of 16.6mph at 8 PM. Humidity levels should be comfortable, sitting around 48% on average, the maximum being 60% at 7 AM and 27% being its lowest at 3 PM. Barometric pressure is its highest of 30.28inHg at 11 AM, a lowest point of 30.18inHg at 4 PM with an avg 30.23inHg.
Augusta, MO Weather – 10-24 – Overcast
81° / 55°
Overcast
In Augusta, it will be overcast with highs near 81°F and lows around 55°F. There's a very small chance of rainfall, only about 7%. Winds will be light at 8mph and gusts of 22.6mph at 10 PM. Humidity levels should be comfortable, sitting around 46% on average, the maximum being 60% at 5 AM and 26% being its lowest at 2 PM. Barometric pressure is its highest of 30.34inHg at 10 AM, a lowest point of 30.24inHg at 4 PM with an avg 30.29inHg.
Augusta, MO Weather – 10-25 – Overcast
78° / 57°
Overcast
Augusta is set for overcast with temperatures peaking at 78°F and dipping to 57°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 10mph and gusts of 25.3mph at 10 PM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 58% at 7 AM and 29% being its lowest at 1 PM. Barometric pressure is its highest of 30.36inHg at 10 AM, a lowest point of 30.26inHg at 4 PM with an avg 30.3inHg.

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