
Lake Sylvan
South Vienna, OH · Clark County
Right Now
Mostly Cloudy
Water
71°
Wind
5 mph
SW
Gusts
9 mph
Pressure
29.90
falling
Forecast - Sun, Jun 14
High / Low
78° / 59°
Wind
10 mph
gusts 32 mph
Precip
95%
UV
5
Sunrise
10:05 AM
Sunset
1:04 AM
Today Read
Lake SylvanWind read
Moderate
10 mph avg
Water read
71°
Warm-water bite
Air range
59° / 78°
today
Precip
95%
watch timing
Today's forecast for Lake Sylvan has moderate wind, 59F to 78F air temperatures, 95% chance of precipitation, and 71F water.
AI fishing planner
Turn Lake Sylvan's live water temp, forecast, solunar timing, and fish data into a plan for today — what to throw, when to go, and when to move.
Fishing Forecast
NEW
Major
4:37 PM - 7:07 PM
Minor
8:34 AM - 10:04 AM
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Detailed temperature readings across your lake.
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Water Temperature History
Current
75°
Jun 21
Low
36°
Jan 1
Average
62°
Last 12 Months
Warmest avg: July (78°F)
Coolest avg: January (39°F)
Rapid warming: February → March (+15°F)
Sharpest cooling: October → November (-12°F)
Weather Forecast
Wind speed, gusts, and pressure trends for trip timing.
Hourly Wind Forecast
Swipe days or tap points
14
4am - 3am
Peak Wind
21 mph
8pm
Peak Gust
32 mph
highest gust
Pressure
29.91 inHg
steady
Visibility
16 mi
81% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Daily Pressure Forecast
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
5/5NEW
Water at 71°F -- warm-water species active.
Nearby Lakes
FAQ
About Lake Sylvan
Lake Sylvan covers 39.52 acres (0.06 square miles) with a maximum depth of 1.86 meters (~6 feet).
Lake Sylvan is located in South Vienna, Clark County, OH. It is accessible to the public for outdoor activities.