Merrill, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Merrill, a village in Saginaw County, Michigan.
Tonight
60°F
Partly Cloudy
Partly cloudy. Low around 60, with temperatures rising to around 62 overnight. South southeast wind around 12 mph, with gusts as high as 24 mph.
7-day forecast for Merrill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Partly Cloudy | 12 mph SSE | 6% |
| Wednesday | 72°F | Light Rain | 12 to 16 mph S | 84% |
| Wednesday Night | 50°F | Light Rain Likely | 13 mph SSW | 63% |
| Thursday | 59°F | Chance Light Rain | 12 to 15 mph SW | 48% |
| Thursday Night | 43°F | Light Rain Likely | 5 to 9 mph W | 59% |
| Friday | 52°F | Light Rain Likely | 6 to 12 mph NNW | 59% |
| Friday Night | 35°F | Chance Light Rain | 7 to 10 mph NNW | 37% |
| Saturday | 52°F | Slight Chance Light Rain then Partly Sunny | 9 mph NW | 17% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph WSW | 4% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Light Rain | 5 to 12 mph W | 19% |
| Sunday Night | 34°F | Slight Chance Light Rain then Partly Cloudy | 6 to 10 mph WNW | 19% |
| Monday | 58°F | Mostly Sunny | 6 to 14 mph W | 9% |
| Monday Night | 38°F | Partly Cloudy | 10 mph WSW | 9% |
| Tuesday | 59°F | Mostly Sunny | 9 to 15 mph W | 4% |
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 Nov 4, 2026.