Topeka, Indiana Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Topeka weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain58%0.61″84°69°—
- SundayJul 5Rain55%0.29″81°71°-3°
- MondayJul 6Overcast38%—78°65°-3°
- TuesdayJul 7Overcast——80°57°+2°
- WednesdayJul 8Overcast——82°62°+2°
- ThursdayJul 9Thunderstorm52%0.13″80°68°-2°
- FridayJul 10Showers52%0.73″77°64°-3°
AQI 61 (Moderate), driven by PM2.5. AQI up 15 in the last 6 hours — air quality is degrading. PM2.5 at 8.3 µg/m³, PM10 at 8.9 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 32. Overcast through the UV peak window (cloud cover ~99%) — afternoon ozone should stay flat.
- Present
- AQI 32
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 8.3 µg/m³, PM10 at 8.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- calm
- Recent rain
- 1h 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
- 12:00 AM
- Moonset
- 11:53 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Topeka at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 46571
16-Day Forecast — Topeka
- Sat84°69°58%
- Sun81°70°55%
- Mon78°65°38%
- Tue80°57°4%
- Wed82°62°3%
- Thu80°68°52%
- Fri77°64°52%
- Sat75°60°17%
- Sun75°56°9%
- Mon77°56°9%
- Tue80°59°9%
- Wed78°63°30%
- Thu78°61°28%
- Fri82°63°29%
- Sat87°71°29%
- Sun82°70°53%
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 — Topeka
SPC includes Topeka in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 Topeka
- 46571