Weather WorldFairmount School, OR Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Fairmount School Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  | |  |  | | | |  | | |
| Partly Cloudy | Clearing | Patchy Fog | Clearing | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C | Lo: 50°FLo: 10°C | Hi: 81°FHi: 27°C | Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 202 AM PDT Fri Sep 18 2026 
Fairmount School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Fairmount School Weather Map
Fairmount School Quick Facts
Fairmount School Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 300 AM PDT Fri Sep 18 2026
Discussion
..Now through next Friday...Satellite observations from early Friday morning showed a low marine stratus deck along the coast and Coast Range expanding into the lower Columbia and southern Willamette Valley. This cloud deck will most likely (60-80% chance) continue to expand towards sunrise, eventually filling in across the central and northern Willamette Valley, Cowlitz Valley, and greater Portland/Vancouver metro area. Morning clouds will eventually give way to afternoon sun as dayti...