Watertown, Minnesota Weather
Prairie lightning bugs rise. Day 78 of spring. Read this microseason across nine climate regions →
Watertown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Heavy Drizzle26%0.04″81°63°—
- SaturdayJun 6Overcast——86°59°+5°
- SundayJun 7Light Drizzle27%—79°63°-7°
- MondayJun 8Drizzle61%0.04″80°67°+1°
- TuesdayJun 9Thunderstorm37%—87°67°+7°
- WednesdayJun 10Thunderstorm27%—94°74°+7°
- ThursdayJun 11Drizzle27%—81°59°-13°
AQI 41 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (steady decline since this morning). PM2.5 at 8.9 µg/m³, PM10 at 9.6 µg/m³ — typical background levels with no transport signature.
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 8.9 µg/m³, PM10 at 9.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 5:30 AM
- Moonset
- 3:10 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Watertown at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: May 16 (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 5, 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 — Watertown
SPC has placed Watertown 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.