St. Paul, MN Weather

87°F

Mostly Cloudy

Data: NOAA/National Weather Service. Forecast updated Aug 30, 2026, 10:21 PM UTC. Discussion issued Aug 30, 2026, 10:59 AM UTC.

Air Quality Index: 60 (Moderate)

SPC Convective Outlook: Thunderstorm Risk

Local discussion

  • Expect hot and humid weather today and tomorrow, with heat index values reaching around 90 degrees.
  • Temperatures will stay above normal, with highs in the 80s for the first week of September.
  • There is a chance of isolated showers and storms today, with a better chance of rain late Tuesday into early Wednesday.

St. Paul, MN Climate Overview

St. Paul, MN, has a humid continental climate characterized by cold winters and warm, humid summers. This climate classification signifies a wide range of temperatures across the seasons, with distinct seasonal changes. The city's location in the Upper Midwest of the United States contributes to this marked variability.

In the summer, St. Paul experiences average high temperatures in the low to mid-80s°F, while nighttime lows usually fall into the low 60s°F. Winter is quite harsh, with average highs in the mid-20s°F and lows that often drop into the single digits. Spring and fall are transitional seasons with mild and highly variable weather, seeing temperatures range from the 30s°F to the 60s°F.

Annual precipitation in St. Paul averages around 32 inches, with June typically being the wettest month. Snowfall is a significant feature of the winter season, with the city receiving around 50 inches of snow annually. The snowiest months are December through February, contributing to challenging winter conditions.

St. Paul is situated in a region susceptible to various weather phenomena, such as occasional severe thunderstorms and tornadoes during the warmer months. Ice storms and blizzards are common winter hazards. Although not located in the core of Tornado Alley, the area can experience tornado activity.

The city is positioned near the Mississippi River and is relatively flat, with an elevation of approximately 800 feet above sea level. This geographic setting, combined with its mid-latitude location, influences its pronounced seasonal climate, contributing to the significant temperature swings and distinct weather patterns experienced throughout the year.