Bull Valley, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bull Valley, a village in Mchenry County, Illinois.
This Afternoon
70°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy, with a high near 70. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Bull Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 67% |
| Tonight | 61°F | Showers And Thunderstorms | 5 to 10 mph ENE | 94% |
| Sunday | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 15 mph NE | 55% |
| Sunday Night | 55°F | Mostly Cloudy | 15 mph NE | 14% |
| Monday | 62°F | Chance Rain Showers | 15 mph ENE | 26% |
| Monday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph ENE | 17% |
| Tuesday | 61°F | Mostly Cloudy | 10 to 15 mph NE | 13% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 to 15 mph NE | 5% |
| Wednesday | 63°F | Partly Sunny | 5 to 10 mph NE | 8% |
| Wednesday Night | 51°F | Mostly Cloudy | 0 to 5 mph NNE | 3% |
| Thursday | 66°F | Partly Sunny | 0 to 5 mph NE | 5% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph NE | 4% |
| Friday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Bull Valley (42.323, -88.361). Updated through the day.
Growing snapshot for Bull Valley
Last spring frost
May 1
First fall frost
Oct 11
Growing season
162 days
Hardiness zone
5b
More local growing data for Bull Valley: nearby ZIP 60050 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Mc Henry -Wg Stratton L&D, Il (2.5 mi from Bull Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.