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Portersville, PA · Butler County
Right Now
Clear
Water
72°
Wind
3 mph
NNW
Gusts
4 mph
Pressure
29.91
steady
Forecast - Tue, Jun 16
High / Low
72° / 49°
Wind
6 mph
gusts 17 mph
Precip
0%
UV
5
Sunrise
9:48 AM
Sunset
12:54 AM
Today Read
Lake ArthurWind read
Calm
6 mph avg
Water read
72°
Warm-water bite
Air range
49° / 72°
today
Precip
0%
low concern
Today's forecast for Lake Arthur has calm wind, 49F to 72F air temperatures, 0% chance of precipitation, and 72F water.
Turn Lake Arthur'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
6:36 PM - 9:06 PM
Minor
10:35 AM - 12:05 PM
Detailed temperature readings across your lake.
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Fish Species
20Water Temperature History
Current
75°
Jun 21
Low
32°
Dec 7
Average
57°
Last 12 Months
Warmest avg: July (78°F)
Coolest avg: December (32°F)
Rapid warming: April → May (+11°F)
Sharpest cooling: October → November (-20°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
4am - 3am
Peak Wind
8 mph
3pm
Peak Gust
17 mph
highest gust
Pressure
29.93 inHg
rising
Visibility
17 mi
1% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
3/5NEW
Water at 72°F -- warm-water species active.
Fish Species
20Nearby Lakes
FAQ
Lake Arthur covers 3225.00 acres (5.04 square miles)
Lake Arthur is located in Portersville, Butler County, PA. It is accessible to the public for outdoor activities.