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°63°+4°
- MondayJul 6Thunderstorm53%0.01″83°68°-4°
- TuesdayJul 7Overcast46%—74°58°-9°
- WednesdayJul 8Overcast46%—77°54°+3°
- ThursdayJul 9Light Drizzle15%—75°57°-2°
- FridayJul 10Heavy Drizzle20%0.13″75°58°0°
AQI 30 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 45 — peak already passed at 1 PM under clear skies. 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 45 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 45
- UV peak
- 5.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 45
PM × Wind × Precip
PM2.5 at 7.3 µg/m³ (AQI 41) with a 0.87 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.87
- Wind
- calm
- 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: 19°F above 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
16-Day Forecast — Grafton
- Sat84°59°2%
- Sun87°63°4%
- Mon83°68°53%
- Tue74°58°46%
- Wed77°54°46%
- Thu75°57°15%
- Fri75°58°20%
- Sat77°54°20%
- Sun80°56°14%
- Mon82°58°13%
- Tue90°63°10%
- Wed90°66°10%
- Thu79°66°19%
- Fri68°60°13%
- Sat78°57°23%
- Sun86°62°13%
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