Harmon, North Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Harmon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——85°60°—
- SundayJul 5Overcast——95°61°+10°
- MondayJul 6Overcast17%—88°72°-7°
- TuesdayJul 7Showers68%—78°63°-10°
- WednesdayJul 8Light Showers68%0.04″78°58°0°
- ThursdayJul 9Light Drizzle25%—84°59°+6°
- FridayJul 10Mostly Clear25%—84°58°0°
AQI 52 (Moderate), driven by PM2.5. AQI up 12 over the last 6 hours (gradual rise). PM2.5 at 26.0 µg/m³ (AQI 82) with a 0.95 fine-to-coarse ratio and 2 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.
What's driving it
PM × Wind × Precip
PM2.5 at 26.0 µg/m³ (AQI 82) with a 0.95 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- 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
- 11:50 PM
- Moonset
- 10:43 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Harmon at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: May 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Harmon
- Sat85°60°3%
- Sun95°61°4%
- Mon88°72°17%
- Tue78°63°68%
- Wed78°58°68%
- Thu84°59°25%
- Fri84°58°25%
- Sat78°56°20%
- Sun87°55°8%
- Mon99°69°9%
- Tue92°67°11%
- Wed84°57°13%
- Thu89°62°17%
- Fri88°59°10%
- Sat97°64°10%
- Sun106°73°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 — Harmon
SPC has placed Harmon 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 Harmon
- 58554