Grafton, North Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Grafton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——83°59°—
- SundayJul 5Overcast——87°62°+4°
- MondayJul 6Thunderstorm48%0.15″82°66°-5°
- TuesdayJul 7Light Drizzle43%—70°59°-12°
- WednesdayJul 8Overcast46%—76°57°+6°
- ThursdayJul 9Overcast——78°56°+2°
- FridayJul 10Overcast31%—83°63°+5°
AQI 23 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (gradual decline). PM2.5 at 7.8 µg/m³ (AQI 43) with a 0.95 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 5 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 7.8 µg/m³ (AQI 43) with a 0.95 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:39 PM
- Moonset
- 10:25 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Grafton at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: June 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 58237
15-Day Forecast — Grafton
- Sat82°59°9%
- Sun87°62°4%
- Mon82°66°48%
- Tue70°59°43%
- Wed76°57°46%
- Thu78°56°8%
- Fri83°63°31%
- Sat69°59°31%
- Sun82°56°14%
- Mon67°61°14%
- Tue80°53°11%
- Wed89°59°14%
- Thu90°66°19%
- Fri77°60°16%
- Sat86°57°11%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal 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.
ZIP codes in Grafton
- 58237