Bull Valley, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bull Valley, a village in Mchenry County, Illinois.
Overnight
58°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 58, with temperatures rising to around 61 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Bull Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Rain Showers Likely | 15 mph S | 59% |
| Wednesday | 62°F | Scattered Rain Showers then Patchy Drizzle | 15 mph SSW | 29% |
| Wednesday Night | 47°F | Patchy Drizzle | 15 mph SW | 18% |
| Thursday | 54°F | Chance Rain Showers | 10 to 15 mph WSW | 35% |
| Thursday Night | 39°F | Chance Rain Showers then Mostly Cloudy | 10 mph NNW | 49% |
| Friday | 48°F | Mostly Cloudy | 10 to 15 mph NNW | 11% |
| Friday Night | 32°F | Partly Cloudy | 0 to 10 mph NNW | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 54°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 60°F | Sunny | 0 to 10 mph WSW | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 mph WSW | 1% |
| Tuesday | 60°F | Sunny | 0 to 5 mph WNW | 0% |
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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Chemung
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Franklinville
Greenwood
Harmony
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Hebron
Huntley
Johnsburg
Lake Barrington
Lake in the Hills
Lakemoor
Lakewood
Lawrence
Marengo
McCullom Lake
McHenry
Oakwood Hills
Prairie Grove
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Ridgefield
Riley
Ringwood
Solon Mills
Spring Grove
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 Nov 4, 2026.