Seneca, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Seneca weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy19%—82°67°—
- SundayJul 5Foggy30%—81°67°-1°
- MondayJul 6Clear——78°64°-3°
- TuesdayJul 7Overcast——80°61°+2°
- WednesdayJul 8T-storm w/ Hail48%0.39″80°62°0°
- ThursdayJul 9Showers48%—75°64°-5°
- FridayJul 10Overcast12%—78°60°+3°
AQI 37 (Good), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 9.2 µg/m³, PM10 at 11.8 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
Ozone × UV × Sky
Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~98%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 4.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 9.2 µg/m³, PM10 at 11.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.78
- Wind
- light
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:03 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Seneca at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: May 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 54654
16-Day Forecast — Seneca
- Sat82°67°19%
- Sun81°67°30%
- Mon78°64°5%
- Tue80°61°7%
- Wed80°62°48%
- Thu75°64°48%
- Fri78°60°12%
- Sat81°61°8%
- Sun69°55°10%
- Mon75°51°9%
- Tue78°59°6%
- Wed77°60°24%
- Thu78°66°16%
- Fri83°65°19%
- Sat84°67°26%
- Sun83°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 — Seneca
SPC includes Seneca 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 Seneca
- 54631
- 54654
- 54626