Weather WorldJalappa, PA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Jalappa Weather Forecast
| THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  | |  | | | | | | | | |
| Sunny | Clear | Sunny | Partly Cloudy | Sunny | Clear | Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear |
| Hi: 69°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 253 PM EDT Tue Oct 20 2026 
Jalappa Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Jalappa Weather Map
Jalappa Quick Facts
Jalappa Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 332 PM EDT Tue Oct 20 2026
Key Messages
1. A well offshore nor`easter bringing coastal impacts and hazardous marine conditions through Thursday.
2. A prolonged period of onshore flow will lead to multiple elevated high tide cycles this week resulting in rounds of coastal flooding.
3. Frost impacts possible Friday night and Saturday night where the growing season continues.
Discussion
... KEY MESSAGE 1...A well offshore nor`easter bringing coastal impacts and hazardous marine conditions through Thursday.
A closed low off the Mid...