Bethalto, Illinois Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Bethalto weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast12%—88°69°—
- MondayJul 6Overcast——87°68°-1°
- TuesdayJul 7Light Drizzle——84°68°-3°
- WednesdayJul 8Partly Cloudy——86°65°+2°
- ThursdayJul 9Showers33%—95°72°+9°
- FridayJul 10Thunderstorm46%0.01″84°72°-11°
- SaturdayJul 11Light Drizzle38%—85°69°+1°
AQI 46 (Good), driven by Ozone. Ozone at AQI 56 now. With UV 5.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 29 around 1 PM.
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 56 now. With UV 5.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 29 around 1 PM.
- Present
- AQI 56
- UV peak
- 5.5 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 29
PM × Wind × Precip
PM2.5 at 9.2 µg/m³ (AQI 51) with a 0.87 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.87
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:17 PM
- Moonset
- 11:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Bethalto at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62010
16-Day Forecast — Bethalto
- Sun88°69°12%
- Mon87°68°4%
- Tue84°68°3%
- Wed86°65°3%
- Thu95°72°33%
- Fri84°72°46%
- Sat85°69°38%
- Sun89°71°13%
- Mon93°72°13%
- Tue97°76°5%
- Wed81°66°12%
- Thu80°58°16%
- Fri84°63°23%
- Sat91°68°23%
- Sun92°75°24%
- Mon91°74°24%
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 — Bethalto
SPC includes Bethalto in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 Bethalto
- 62010
- 62018