Merrill, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Merrill, a village in Saginaw County, Michigan.
Tonight
50°F
Light Rain Likely
Rain likely. Cloudy. Low around 50, with temperatures rising to around 53 overnight. East northeast wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Merrill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Light Rain Likely | 5 to 9 mph ENE | 69% |
| Saturday | 65°F | Showers And Thunderstorms Likely | 5 to 8 mph E | 76% |
| Saturday Night | 54°F | Showers And Thunderstorms Likely | 8 mph ENE | 69% |
| Sunday | 68°F | Chance Rain Showers | 8 to 14 mph NE | 31% |
| Sunday Night | 49°F | Mostly Cloudy | 9 to 14 mph NE | 13% |
| Monday | 63°F | Mostly Cloudy | 12 to 16 mph NE | 4% |
| Monday Night | 46°F | Mostly Cloudy | 10 to 16 mph NE | 4% |
| Tuesday | 62°F | Partly Sunny | 12 to 17 mph NE | 14% |
| Tuesday Night | 47°F | Mostly Cloudy then Chance Rain Showers | 10 to 17 mph ENE | 28% |
| Wednesday | 64°F | Chance Rain Showers | 13 mph NE | 38% |
| Wednesday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 6 to 13 mph NE | 29% |
| Thursday | 67°F | Partly Sunny | 6 to 10 mph NE | 9% |
| Thursday Night | 48°F | Mostly Cloudy | 3 to 9 mph NNE | 7% |
| Friday | 71°F | Mostly Sunny | 3 to 9 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Merrill (43.409, -84.334). Updated through the day.
Growing snapshot for Merrill
Last spring frost
Apr 29
First fall frost
Oct 16
Growing season
167 days
Hardiness zone
6a
More local growing data for Merrill: nearby ZIP 48637 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Birch Run
Bridgeport
Buena Vista
Burt
Chesaning
Frankenmuth
Freeland
Hemlock
Oakley
Robin Glen-Indiantown
Saginaw
Shields
St. Charles
Zilwaukee
Climate data from the nearest NOAA station, Midland, Mi (15.1 mi from Merrill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.