Elkhorn, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Elkhorn weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Showers51%0.16″82°66°—
- SundayJul 5Overcast13%—79°62°-3°
- MondayJul 6Overcast——76°61°-3°
- TuesdayJul 7Overcast——80°55°+4°
- WednesdayJul 8Overcast19%—80°61°0°
- ThursdayJul 9Thunderstorm49%0.09″74°64°-6°
- FridayJul 10Partly Cloudy33%—77°59°+3°
AQI 32 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 35 now. With UV 5.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 17 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 35 now. With UV 5.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 17 around 1 PM.
- Present
- AQI 35
- UV peak
- 5.1 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 17
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
- 10:53 PM
- Moonset
- 9:57 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Elkhorn at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 53121
16-Day Forecast — Elkhorn
- Sat82°66°51%
- Sun79°62°13%
- Mon76°61°2%
- Tue80°55°1%
- Wed80°61°19%
- Thu74°64°49%
- Fri77°59°33%
- Sat80°60°8%
- Sun65°56°11%
- Mon71°53°8%
- Tue74°58°8%
- Wed78°61°29%
- Thu82°65°14%
- Fri82°67°26%
- Sat84°68°27%
- Sun84°69°32%
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 — Elkhorn
SPC includes Elkhorn in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Elkhorn
- 53121