Weather World
Lake Catalpa, PA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Lake Catalpa Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | | | | |  |  |  | | |  |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Sunny | Mostly Clear | Partly Sunny | Mostly Clear | Mostly Sunny |
| Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C |
| POP: 70% | POP: 50% | POP: 50% | POP: 50% | POP: 70% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 635 PM EDT Mon Aug 31 2026 
Lake Catalpa Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Lake Catalpa Weather Map
Lake Catalpa Quick Facts
Lake Catalpa Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 201 PM EDT Mon Aug 31 2026
Key Messages
1) Severe thunderstorm chances increase Tuesday through Wednesday.
2) Risks for locally heavy rainfall and potential flooding increases Wednesday into Thursday morning.
3) A cooler pattern with drier Northwest flow returns late week into next weekend.
Discussion
... KEY MESSAGE 1...
The general setup indicates a warm frontal boundary moving into the region and then stalling somewhere over CNY and NEPA for the first half of this week. Aloft...multiple waves will move through NW flow trigge...