Winthrop, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Winthrop weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——82°66°—
- MondayJul 6Clear——82°66°0°
- TuesdayJul 7Light Drizzle——82°64°0°
- WednesdayJul 8Light Drizzle46%—82°67°0°
- ThursdayJul 9Heavy Showers51%0.44″78°69°-4°
- FridayJul 10Light Drizzle24%—77°66°-1°
- SaturdayJul 11Overcast12%—82°67°+5°
AQI 21 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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
- 11:27 PM
- Moonset
- 11:18 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Winthrop at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50682
16-Day Forecast — Winthrop
- Sun82°66°7%
- Mon82°66°2%
- Tue82°64°2%
- Wed82°67°46%
- Thu78°69°51%
- Fri77°66°24%
- Sat82°67°12%
- Sun84°70°7%
- Mon90°71°5%
- Tue87°65°17%
- Wed74°60°11%
- Thu74°59°19%
- Fri83°62°17%
- Sat83°69°35%
- Sun85°71°26%
- Mon88°71°18%
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 — Winthrop
SPC includes Winthrop 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 Winthrop
- 50682