Dayton, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Dayton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast28%—87°65°—
- SundayJul 5Light Showers21%0.09″85°67°-2°
- MondayJul 6Overcast——86°67°+1°
- TuesdayJul 7T-storm w/ Hail14%0.20″87°67°+1°
- WednesdayJul 8Showers53%0.88″73°65°-14°
- ThursdayJul 9Light Drizzle51%—80°61°+7°
- FridayJul 10Light Drizzle——72°59°-8°
AQI 63 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 90 now. With UV 5.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 62 around 1 PM.
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 90 now. With UV 5.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 62 around 1 PM.
- Present
- AQI 90
- UV peak
- 5.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 62
PM × Wind × Precip
PM2.5 at 17.5 µg/m³ (AQI 67) with a 0.82 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- 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
- 11:17 PM
- Moonset
- 10:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Dayton at a glance
- Today vs. normal: 20°F above the seasonal normal for this latitude
- Last frost: May 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 55327
16-Day Forecast — Dayton
- Sat88°65°28%
- Sun85°67°21%
- Mon86°67°6%
- Tue87°67°14%
- Wed73°65°53%
- Thu80°61°51%
- Fri72°59°8%
- Sat77°55°11%
- Sun79°57°15%
- Mon81°59°11%
- Tue83°61°6%
- Wed84°67°13%
- Thu84°68°10%
- Fri76°61°13%
- Sat69°59°19%
- Sun80°58°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 — Dayton
SPC has placed Dayton in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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 Dayton
- 55369
- 55327