Wilton, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Wilton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle53%0.01″85°69°—
- SundayJul 5Overcast13%—85°69°0°
- MondayJul 6Clear——81°64°-4°
- TuesdayJul 7Mostly Clear——80°63°-1°
- WednesdayJul 8Overcast17%—83°63°+3°
- ThursdayJul 9Light Showers35%—82°69°-1°
- FridayJul 10Overcast20%—80°65°-2°
AQI 27 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.9 µg/m³, PM10 at 10.9 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 38 now. With UV 1.9 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 38
- UV peak
- 1.9 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 7.9 µg/m³, PM10 at 10.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.72
- 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
- 11:00 PM
- Moonset
- 10:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Wilton at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 52778
16-Day Forecast — Wilton
- Sat85°69°53%
- Sun85°69°13%
- Mon81°64°5%
- Tue80°63°2%
- Wed83°63°17%
- Thu82°69°35%
- Fri80°65°20%
- Sat84°66°15%
- Sun68°59°9%
- Mon75°55°8%
- Tue78°61°8%
- Wed80°64°10%
- Thu82°67°19%
- Fri83°68°19%
- Sat85°70°19%
- Sun86°72°29%
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 — Wilton
SPC includes Wilton 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 Wilton
- 52778