Delavan, Wisconsin Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Delavan weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——74°50°—
- TuesdayJun 16Rain70%0.16″71°56°-3°
- WednesdayJun 17Heavy Showers95%1.3″66°51°-5°
- ThursdayJun 18Light Drizzle70%0.04″68°52°+2°
- FridayJun 19Light Drizzle—0.01″64°46°-4°
- SaturdayJun 20Drizzle11%0.13″64°53°0°
- SundayJun 21Overcast31%—68°50°+4°
AQI 20 (Good), driven by Ozone. AQI down 7 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
- 5:15 AM
- Moonset
- 8:53 PM
- In sign
- ♊︎ Gemini
Solstice approaches — longest light
Delavan at a glance
- Today vs. normal: 22°F below the seasonal normal for this latitude
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Delavan
- Mon74°50°3%
- Tue71°56°70%
- Wed66°51°95%
- Thu68°52°70%
- Fri64°46°6%
- Sat64°53°11%
- Sun68°50°31%
- Mon68°49°31%
- Tue74°51°10%
- Wed77°56°17%
- Thu79°58°20%
- Fri79°58°27%
- Sat86°67°32%
- Sun89°75°35%
- Mon78°68°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 — Delavan
SPC has placed Delavan in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3SLGTSlight Risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Delavan
- 53115