Franklin, Iowa Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Franklin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast20%—85°70°—
- SundayJul 5Overcast14%—85°70°0°
- MondayJul 6Overcast——81°67°-4°
- TuesdayJul 7Overcast——83°62°+2°
- WednesdayJul 8Thunderstorm11%—85°64°+2°
- ThursdayJul 9Thunderstorm44%0.13″78°72°-7°
- FridayJul 10Drizzle29%0.02″84°67°+6°
AQI 41 (Good), driven by Ozone. AQI up 13 over the last 6 hours (gradual rise). Ozone at AQI 46 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
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 46 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 46
- UV peak
- 0.9 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 46
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
- 11:01 PM
- Moonset
- 10:11 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Franklin at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Franklin
- Sat85°70°20%
- Sun85°70°14%
- Mon81°67°3%
- Tue83°62°1%
- Wed85°64°11%
- Thu78°72°44%
- Fri84°67°29%
- Sat72°62°9%
- Sun75°59°15%
- Mon76°58°7%
- Tue77°58°6%
- Wed80°57°13%
- Thu83°65°11%
- Fri79°68°13%
- Sat81°64°23%
- Sun75°60°26%
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 — Franklin
SPC has placed Franklin in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe 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 Franklin
- 52625
- 52656