Nashua, Iowa Weather
Warm wind sweeps the tallgrass. Day 16 of summer. Read this microseason across nine climate regions →
Nashua weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast17%—83°65°—
- MondayJul 6Mostly Clear——86°66°+3°
- TuesdayJul 7Overcast——89°66°+3°
- WednesdayJul 8Overcast58%—82°67°-7°
- ThursdayJul 9Thunderstorm59%—82°68°0°
- FridayJul 10Overcast21%—81°64°-1°
- SaturdayJul 11Overcast——82°65°+1°
AQI 36 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.0 µg/m³ (AQI 33) with a 0.92 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 6.0 µg/m³ (AQI 33) with a 0.92 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.92
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).








































When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:51 PM
- Moonset
- 12:32 PM
- In sign
- ♓︎ Pisces
Warm wind sweeps the tallgrass
Nashua at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 50658
16-Day Forecast — Nashua
- Sun83°65°17%
- Mon86°65°1%
- Tue89°66°1%
- Wed82°67°58%
- Thu82°68°59%
- Fri81°64°21%
- Sat82°65°7%
- Sun85°67°4%
- Mon89°69°5%
- Tue79°64°7%
- Wed79°61°10%
- Thu74°63°18%
- Fri68°65°13%
- Sat76°61°23%
- Sun80°62°26%
- Mon74°65°24%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — Nashua
SPC includes Nashua in the general thunderstorm area day after tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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 Nashua
- 50658