Highmount, PA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Highmount Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Clear | Sunny | Mostly Clear | Patchy Fog | Mostly Clear | Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy | Chance of Showers |
| Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C |
| POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 600 PM EDT Mon Sep 14 2026 

Highmount Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Highmount Weather Map
Highmount Quick Facts
Highmount Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 151 PM EDT Mon Sep 14 2026
Key Messages
1) Noticeably cooler/pleasant and rain-free start to the week 2) Warm/humid conditions return mid to late week with best odds for rain Thursday
Discussion
... KEY MESSAGE 1: Noticeably cooler/pleasant and rain-free start to the week
Refreshing airmass behind cold front today with dewpoints in the 40s and 50s. Fair weather cu across much of the region with max coverage near the Great Lakes. Max temps will be 10 to 15 degrees lower/cooler vs. Sunday ranging from the mid 60s in the norther...
Weather World