Allen, WA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Allen Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Patchy Fog | Mostly Clear | Mostly Sunny | Chance of Rain | Chance of Rain | Partly Cloudy | Partly Sunny | Mostly Cloudy | Chance of Rain | Chance of Rain | Mostly Cloudy | Mostly Clear |
| Hi: 65°FHi: 18°C | Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C | Lo: 50°FLo: 10°C | Hi: 56°FHi: 13°C | Lo: 36°FLo: 2°C | Hi: 57°FHi: 14°C | Lo: 43°FLo: 6°C | Hi: 57°FHi: 14°C | Lo: 40°FLo: 4°C | Hi: 56°FHi: 13°C | Lo: 40°FLo: 4°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 AM PDT Thu Oct 15 2026 

Allen Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Allen Weather Map
Allen Quick Facts
Allen Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 218 AM PDT Thu Oct 15 2026
Aviation
...Areas of fog and low stratus bringing IFR to LIFR conditions are beginning to develop across portions of western Washington, most prolifically along and north of the metro area. Stratus and fog should continue to slowly fill in this morning. The biggest uncertainty is regarding the visibility--light north/northeasterly winds for some locations may allow for ceilings to remain a few hundred feet above the ground. Conditions should improve after 17-19Z this morning for mostly clear skie...
Weather World