National Weather Service Forecast for: Grafton ND
Issued by: National Weather Service Grand Forks, ND
Updated: 5:56 am CDT Jun 22, 2026
 
Today

Today: Mostly cloudy, with a high near 72. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Mostly Cloudy

 Tonight

Tonight: A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 53. East southeast wind 6 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Cloudy
then Chance
Showers
 Tuesday

Tuesday: Showers and thunderstorms before 10am, then showers and possibly a thunderstorm, mainly after 10am. High near 69. Southeast wind 8 to 11 mph becoming west southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Tuesday
Night
Tuesday Night: Showers and thunderstorms likely before 10pm, then a chance of showers. Mostly cloudy, with a low around 51. North northwest wind 8 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
 Wednesday

Wednesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 70. North wind 14 to 16 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Cloudy
then Chance
Showers
 Wednesday
Night
Wednesday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 49. North northwest wind 6 to 13 mph. Chance of precipitation is 10%.
Slight Chance
T-storms then
Partly Cloudy
 Thursday

Thursday: Mostly sunny, with a high near 75. North northeast wind around 6 mph.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 50. East northeast wind around 5 mph becoming calm in the evening.
Partly Cloudy

 Friday

Friday: Partly sunny, with a high near 77. Light southeast wind becoming south southeast 6 to 11 mph in the morning.
Partly Sunny
Hi 72 °F Lo 53 °F Hi 69 °F Lo 51 °F Hi 70 °F Lo 49 °F Hi 75 °F Lo 50 °F Hi 77 °F

 

Today
 
 Mostly cloudy, with a high near 72. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Tonight
 
 A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 53. East southeast wind 6 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 Showers and thunderstorms before 10am, then showers and possibly a thunderstorm, mainly after 10am. High near 69. Southeast wind 8 to 11 mph becoming west southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
 
 Showers and thunderstorms likely before 10pm, then a chance of showers. Mostly cloudy, with a low around 51. North northwest wind 8 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 70. North wind 14 to 16 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 49. North northwest wind 6 to 13 mph. Chance of precipitation is 10%.
Thursday
 
 Mostly sunny, with a high near 75. North northeast wind around 6 mph.
Thursday Night
 
 Partly cloudy, with a low around 50. East northeast wind around 5 mph becoming calm in the evening.
Friday
 
 Partly sunny, with a high near 77. Light southeast wind becoming south southeast 6 to 11 mph in the morning.
Friday Night
 
 A 20 percent chance of showers after 1am. Partly cloudy, with a low around 55. Southeast wind around 9 mph.
Saturday
 
 A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Breezy, with a southeast wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Saturday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Breezy, with a south southeast wind 18 to 23 mph. Chance of precipitation is 70%.
Sunday
 
 Showers and possibly a thunderstorm. High near 77. Breezy, with a south southeast wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

 

Forecast from NOAA-NWS for Grafton ND.