Yarmouth, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Yarmouth weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Showers38%0.08″84°69°—
- SundayJul 5Overcast11%—84°70°0°
- MondayJul 6Overcast——80°66°-4°
- TuesdayJul 7Overcast——81°62°+1°
- WednesdayJul 8T-storm w/ Hail25%—84°64°+3°
- ThursdayJul 9Thunderstorm42%0.19″79°71°-5°
- FridayJul 10Drizzle24%—82°66°+3°
AQI 39 (Good), driven by Ozone. AQI up 13 over the last 6 hours (gradual rise). Ozone at AQI 50 — 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 50 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 50
- UV peak
- 3.6 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 50
PM × Wind × Precip
PM2.5 at 5.5 µg/m³, PM10 at 7.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.75
- Wind
- breezy
- 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
- 11:01 PM
- Moonset
- 10:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Yarmouth at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 52660
16-Day Forecast — Yarmouth
- Sat85°69°38%
- Sun84°69°11%
- Mon80°66°3%
- Tue81°62°1%
- Wed84°64°25%
- Thu79°71°42%
- Fri82°66°24%
- Sat72°61°7%
- Sun75°58°15%
- Mon74°58°7%
- Tue77°58°4%
- Wed78°57°19%
- Thu82°64°23%
- Fri78°67°16%
- Sat79°65°23%
- Sun73°59°24%
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 — Yarmouth
SPC includes Yarmouth 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 Yarmouth
- 52660