Hartland, Wisconsin Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Hartland weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——74°50°—
- TuesdayJun 16Rain63%0.23″68°55°-6°
- WednesdayJun 17Heavy Showers95%2.6″58°48°-10°
- ThursdayJun 18Light Drizzle77%0.02″67°51°+9°
- FridayJun 19Drizzle—0.04″63°46°-4°
- SaturdayJun 20Light Drizzle12%0.01″61°52°-2°
- SundayJun 21Overcast30%—65°49°+4°
AQI 20 (Good), driven by Ozone. AQI down 9 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:12 AM
- Moonset
- 8:54 PM
- In sign
- ♊︎ Gemini
Solstice approaches — longest light
Hartland at a glance
- Today vs. normal: 22°F below the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Hartland
- Mon74°50°2%
- Tue68°55°63%
- Wed58°48°95%
- Thu67°51°77%
- Fri63°46°7%
- Sat61°52°12%
- Sun65°49°30%
- Mon68°49°29%
- Tue72°49°11%
- Wed76°54°24%
- Thu72°56°22%
- Fri75°56°30%
- Sat86°66°35%
- Sun89°74°28%
- Mon79°67°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Hartland
SPC has placed Hartland 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 Hartland
- 53029