Yarmouth, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Yarmouth weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——85°70°—
- MondayJul 6Overcast——85°67°0°
- TuesdayJul 7Overcast——82°66°-3°
- WednesdayJul 8Light Drizzle——84°67°+2°
- ThursdayJul 9Rain43%0.21″80°70°-4°
- FridayJul 10Light Drizzle39%—81°67°+1°
- SaturdayJul 11Light Showers22%0.05″77°70°-4°
AQI 34 (Good), driven by PM2.5. AQI up 9 over the last 6 hours (gradual rise). PM2.5 at 7.9 µg/m³, PM10 at 9.3 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 43 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 43
- UV peak
- 5.5 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 43
PM × Wind × Precip
PM2.5 at 7.9 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.85
- 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
- 11:24 PM
- Moonset
- 11:17 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
- Sun85°70°5%
- Mon85°67°1%
- Tue82°66°0%
- Wed84°67°9%
- Thu80°70°43%
- Fri81°67°39%
- Sat77°70°22%
- Sun84°67°8%
- Mon75°63°4%
- Tue74°56°4%
- Wed77°61°8%
- Thu78°62°20%
- Fri81°64°29%
- Sat85°67°23%
- Sun87°69°22%
- Mon88°71°28%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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
- TOMORROWNONENo severe risk
- 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