Grafton, North Dakota Weather
Prairie lightning bugs rise. Day 76 of spring. Read this microseason across nine climate regions →
Grafton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Light Rain84%0.23″75°62°—
- ThursdayJun 4Overcast10%—79°59°+4°
- FridayJun 5Overcast——68°56°-11°
- SaturdayJun 6Overcast——79°52°+11°
- SundayJun 7Overcast46%—84°61°+5°
- MondayJun 8Light Drizzle53%—79°60°-5°
- TuesdayJun 9Light Drizzle18%—80°57°+1°
Ozone at AQI 39 — peak already passed at 1 PM under overcast skies. AQI flat over the last 6 hours (within ±3 points). Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 39
- UV peak
- 1.8 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 39
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
The higher the clouds, the finer the weather.
- Moonrise
- 5:00 AM
- Moonset
- 12:53 PM
- In sign
- ♑︎ Capricorn
Prairie lightning bugs rise
Grafton at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: June 5 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Grafton
SPC has placed Grafton in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.