Barometric Pressure in Grafton, United States 
1013 hPa
15.0 ℃
50%
3.0 m/s
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Forecast
Hourly Pressure Trends
Track the barometric pressure in Grafton hour by hour across the next 6 hourly readings.
Grafton has a humid continental climate. Winters are long, cold, and snowy. Summers are warm, and some days can be hot. Spring and fall bring quick changes in temperature.
Weather systems often move across the flat Red River Valley. High pressure usually brings clear, calm, and dry weather. Low pressure can bring clouds, wind, rain, snow, or thunderstorms. Winter storms may cause heavy snow and blowing snow.
Grafton is far from oceans, so the land heats and cools quickly. Cold air from Canada can bring sharp winter cold. Moist air from the Gulf of Mexico can cause summer rain and thunderstorms. The flat land allows strong winds to move easily.
Most rain falls from late spring through summer. Snow can begin in the fall and continue into spring. The area’s growing season is fairly short because spring warms slowly and fall frosts can arrive early.