Ohio sap flow forecast
- Season opens
- Feb 18
- typical
- Closes
- Mar 27
- typical
100 days to the usual opening. When to tap in Ohio
Off-season
Ohio's season opens in about 100 days
Typical opening: February 18.
What to do now
- 1
Hold the drill
Fall sap is low in sugar, and a November hole on buckets is spent by January.
- 2
Find and mark your trees
Easiest while the leaves are on. Tapping starts at 12 inches across, about 38 inches around.
- 3
Gather your gear
A drill with a clean 5/16-inch bit, one spout per taphole, covered food-grade buckets.
Show this week’s forecast anywayHide the forecast
Chardon · Geauga County has 144,446 of Ohio's 468,579 taps (30.8%), the most in the state (2022 Census of Agriculture); Chardon is the county seat.
freeze thaw 32°F
- WedNov 1138° / 55°
0h below · 24h above
No refreeze forecast - ThuNov 1240° / 46°
0h below · 24h above
No refreeze forecast - FriNov 1335° / 41°
0h below · 24h above
No refreeze forecast - SatNov 1432° / 41°
0h below · 19h above
No refreeze forecast - SunNov 1532° / 44°
0h below · 21h above
No refreeze forecast - MonNov 1632° / 47°No refreeze forecast
Data: National Weather Service. Verdicts use freeze-thaw thresholds from maple field research; your woods may run a little differently.
Your exact spot
Somewhere else in Ohio?
Your sugarbush, your forecast
Hourly temperatures for your exact spot, turned into a day-by-day sap-run outlook. US and Canada.
Nearby
Other states
Data & method · 4
- 1.National Weather Service API · NOAA National Weather Service
- 2.Sap flow in sugar maple: timing and weather drivers (Frontiers in Agronomy, 2025) · de Lima Santos et al.
- 3.Maple Sugaring Tips for Beginners and Backyard Maple Sugar Producers · UNH Extension
- 4.North American Maple Syrup Producers Manual, 2nd ed. (Bulletin 856) · The Ohio State University Extension


