South St. Paul, MN Weather Tomorrow

Before heading out, check tomorrow's South St. Paul weather and the extended 5 day forecast 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 South St. Paul area.
Updated: Sun Sep 6th 2026 10:00 AM CDT
South St. Paul, MN Weather – 9-6 – Overcast
90° / 64°
Overcast
South St. Paul could see cloud-filled skies with daytime highs of 90°F and nighttime lows near 64°F. There's a very small chance of rainfall, only about 9%. Wind will be moderate, blowing around 12mph on average and gusts of 25.9mph at 11 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 74% at 11 AM and 30% being its lowest at 4 PM. Barometric pressure is its highest of 30.06inHg at 11 AM, a lowest point of 29.94inHg at 7 PM with an avg 30inHg.
South St. Paul, MN Weather – 9-7 – Overcast
84° / 67°

Weather Tomorrow

Overcast
In South St. Paul, it will be overcast with highs near 84°F and lows around 67°F. There's a moderate 42% chance of rainfall with an estimated 0.02in. Wind will be moderate, blowing around 20mph on average and gusts of 39.1mph at 11 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 86% at 5 AM and 38% being its lowest at 1 PM. Barometric pressure is its highest of 30.07inHg at 9 AM, a lowest point of 29.91inHg at 11 PM with an avg 30inHg.
South St. Paul, MN Weather – 9-8 – Scattered Showers
91° / 66°
Scattered Showers
In South St. Paul, scattered showers are likely with a high near 91°F and a low around 66°F. Rainfall predicted to have a 57% chance with an estimated 0.07in. Wind will be moderate, blowing around 18mph on average and gusts of 38.7mph at 3 AM. The humidity will be on the higher side, averaging about 61%, the maximum being 88% at 5 AM and 38% being its lowest at 7 PM. Barometric pressure is its highest of 29.94inHg at 2 AM, a lowest point of 29.75inHg at 4 PM with an avg 29.85inHg.
South St. Paul, MN Weather – 9-9 – Sunny
81° / 64°
Sunny
South St. Paul may see sunshine, with daytime highs of 81°F and overnight lows near 64°F. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 18mph on average and gusts of 31.6mph at 6 AM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 52% at 7 AM and 27% being its lowest at 4 PM. Barometric pressure is its highest of 30.04inHg at 11 AM, a lowest point of 29.82inHg at 8 PM with an avg 29.97inHg.
South St. Paul, MN Weather – 9-10 – Sunny
82° / 62°
Sunny
Sunshine is in the forecast for South St. Paul, with a high of 82°F and a low of 62°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 10mph and gusts of 22.4mph at 3 AM. Humidity levels should be comfortable, sitting around 37% on average, the maximum being 60% at 6 AM and 19% being its lowest at 5 PM. Barometric pressure is its highest of 30.06inHg at 10 AM, a lowest point of 29.82inHg at 11 PM with an avg 29.89inHg.
South St. Paul, MN Weather – 9-11 – Overcast
95° / 63°
Overcast
In South St. Paul, it will be overcast with highs near 95°F and lows around 63°F. Rainfall predicted to have a 71% chance with an estimated 1.2in. Winds will be strong at speeds peaking at 25mph and gusts of 37mph at 10 AM. Humidity levels should be comfortable, sitting around 52% on average, the maximum being 93% at 11 PM and 27% being its lowest at 10 AM. Barometric pressure is its highest of 29.81inHg at 12 AM, a lowest point of 29.4inHg at 7 PM with an avg 29.6inHg.

Currently

Overcast 74°F
30.07 inHg.
Barometer
81%
Humidity
SE 18 mph
Wind
Overcast

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