Ashton, Iowa Weather
Lesser ripening, greater heat. Day 89 of spring. Read this microseason across nine climate regions →
Ashton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——80°46°—
- TuesdayJun 16Overcast11%—78°53°-2°
- WednesdayJun 17Thunderstorm49%0.05″78°57°0°
- ThursdayJun 18Drizzle13%—69°50°-9°
- FridayJun 19Light Drizzle19%0.02″76°50°+7°
- SaturdayJun 20Showers49%0.12″75°59°-1°
- SundayJun 21Foggy49%—71°59°-4°
AQI 44 (Good), driven by Ozone. AQI up 12 over the last 6 hours (gradual rise). Ozone at AQI 37. Overcast through the UV peak window (cloud cover ~82%) — afternoon ozone should stay flat.
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 37. Overcast through the UV peak window (cloud cover ~82%) — afternoon ozone should stay flat.
- Present
- AQI 37
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 6:54 AM
- Moonset
- 10:26 PM
- In sign
- ♋︎ Cancer
Lesser ripening, greater heat
Ashton at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: May 6 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Ashton
- Mon80°46°9%
- Tue78°53°11%
- Wed78°57°49%
- Thu69°50°13%
- Fri76°50°19%
- Sat75°59°49%
- Sun71°59°49%
- Mon69°51°25%
- Tue72°53°15%
- Wed79°60°18%
- Thu84°61°18%
- Fri73°54°24%
- Sat76°58°24%
- Sun75°62°35%
- Mon69°58°32%
- Tue77°54°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, 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 — Ashton
SPC has placed Ashton in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
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 Ashton
- 51232