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Portersville, PA · Butler County
Right Now
Cloudy
Water
72°
Wind
1 mph
SSE
Gusts
4 mph
Pressure
29.67
falling
Forecast - Thu, Jun 18
High / Low
78° / 60°
Wind
12 mph
gusts 40 mph
Precip
98%
UV
8
Sunrise
9:48 AM
Sunset
12:55 AM
Every forecast metric for the week ahead — plus AI-picked best days for fishing, boating, swimming, and paddling.
Instant recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Sat, Sat, Jun 20
Sat, Jun 20 scores 54/100 — Solunar 3/5, Pressure rising.
Best for Boating
Tue, Tue, Jun 23
Tue, Jun 23 scores 90/100 — Wind 8 mph, Rain 0%.
Best for Swimming
Tue, Tue, Jun 23
Tue, Jun 23 scores 75/100 — Air 76°F, Rain 0%.
Best for Paddling
Tue, Tue, Jun 23
Tue, Jun 23 scores 85/100 — Wind 8 mph, Rain 0%.
Ask the AI assistant about this week:
Swipe to see all 8 days
| Metric | Thu18 | Fri19 | Sat20 | Sun21 | Mon22 | Tue23 | Wed24 | Thu25 |
|---|---|---|---|---|---|---|---|---|
| Condition | Thunderstorms | Mostly Clear | Drizzle | Rain | Rain | Partly Cloudy | Drizzle | Drizzle |
| High / Low | 78°/60° | 73°/54° | 73°/54° | 75°/55° | 72°/58° | 76°/53° | 77°/56° | 77°/57° |
| Precip | 98% | 24% | 34% | 50% | 83% | 0% | 37% | 57% |
| Wind | 22 mphgust 40 | 14 mphgust 26 | 9 mphgust 20 | 6 mphgust 13 | 11 mphgust 23 | 8 mphgust 14 | 4 mphgust 12 | 4 mphgust 12 |
| Pressure | 29.62" stable | 29.85" rising | 29.92" rising | 29.92" stable | 29.87" falling | 30.04" rising | 30.02" falling | 30.01" stable |
| UV Index | 8 | 7 | 7 | 5 | 5 | 7 | 6 | 5 |
| Sunrise | 9:48 AM | 9:48 AM | 9:48 AM | 9:48 AM | 9:48 AM | 9:49 AM | 9:49 AM | 9:49 AM |
| Sunset | 12:55 AM | 12:55 AM | 12:55 AM | 12:55 AM | 12:55 AM | 12:56 AM | 12:56 AM | 12:56 AM |
| Bite Rating | 2/5waxing crescent | 2/5waxing crescent | 3/5waxing crescent | 3/5first quarter | 2/5first quarter | 2/5first quarter | 3/5first quarter | 2/5waxing gibbous |
Today Read
Lake ArthurWind read
Moderate
12 mph avg
Water read
72°
Warm-water bite
Air range
60° / 78°
today
Precip
98%
watch timing
Today's forecast for Lake Arthur has moderate wind, 60F to 78F air temperatures, 98% chance of precipitation, and 72F water.
AI read · today
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is weak timing.
Reads 9 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
waxing crescent
Major
8:31 PM - 11:01 PM
Minor
1:13 PM - 2:43 PM
Detailed temperature readings across your lake.
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Fish Species
20Water Temperature History
Current
75°
Jun 28
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
22 mph
5pm
Peak Gust
40 mph
highest gust
Pressure
29.61 inHg
falling
Visibility
15 mi
98% 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
2/5waxing crescent
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.