Factoria, Bellevue Weather
Factoria weather this week
Over the next 7 days in Factoria, daytime highs range from 9°C to 14°C and night-time lows from 4°C to 9°C. The warmest afternoon is likely today at 14°C, while the coolest night is expected on Thursday night at 4°C. Temperatures trend cooler through the week, dropping by about 3°C.
Rain is most likely today, tomorrow and Sunday, with roughly 15 mm forecast in total over the week.
Winds stay mostly light this week, peaking at about 27 km/h on Sunday. UV levels stay moderate or lower, peaking at 2. Average humidity is high at around 75%, which can make it feel muggy.
| Day | Conditions | High / Low | Rain chance | Rain | Max wind |
|---|---|---|---|---|---|
| Today (Friday) | Dense drizzle | 14° / 9° | 71% | 3.3 mm | 11 km/h |
| Tomorrow (Saturday) | Slight rain | 13° / 8° | 93% | 3.3 mm | 19 km/h |
| Sunday | Dense drizzle | 13° / 8° | 83% | 6.3 mm | 27 km/h |
| Monday | Light drizzle | 10° / 7° | 43% | 1.8 mm | 9 km/h |
| Tuesday | Light drizzle | 11° / 6° | 23% | 0.2 mm | 7 km/h |
| Wednesday | Overcast | 9° / 5° | 36% | 0.0 mm | 7 km/h |
| Thursday | Overcast | 10° / 4° | 18% | 0.0 mm | 10 km/h |
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Factoria air quality & conditions
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Today's outlook for Factoria
At 18:00 local time it is 11°C in Factoria under overcast skies. Today's forecast high is 14°C and the low is 9°C, and the day overall looks drizzly. Rain is likely today (71% chance, around 3.3 mm), so keep an umbrella handy. Winds are blowing at about 9 km/h from the south-east. Humidity is 90%.
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Climate of Factoria: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), August is usually the hottest month in Factoria, with average daytime highs around 23°C. February is the coolest, when nights typically fall to about 1°C and frost is possible on the coldest nights.
The area receives about 1230 mm of rain in a typical year. Most of it falls from October to March (around 74% of the yearly total), and November is the wettest month at roughly 188 mm.
For outdoor plans and travel, June to September usually offer the most comfortable weather in Factoria, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 7° | 2° | 174 mm | 90% |
| Feb | 8° | 1° | 108 mm | 87% |
| Mar | 10° | 3° | 138 mm | 85% |
| Apr | 13° | 5° | 95 mm | 82% |
| May | 18° | 8° | 70 mm | 80% |
| Jun | 20° | 11° | 51 mm | 80% |
| Jul | 23° | 13° | 19 mm | 77% |
| Aug | 23° | 13° | 29 mm | 76% |
| Sep | 20° | 11° | 58 mm | 78% |
| Oct | 15° | 7° | 125 mm | 84% |
| Nov | 10° | 4° | 188 mm | 89% |
| Dec | 6° | 1° | 175 mm | 90% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Factoria. Values describe typical conditions, not a forecast.
About Factoria weather
Factoria is a place in Washington's stark east–west divide — mild, wet Pacific coast and Puget Sound versus a much drier, more continental interior, located about 10 km east of Seattle. Factoria gets mild, dry summers (June–September) west of the Cascades each year. Factoria closes out the year with mild, rainy winters (November–February) in the west, colder with more snow east of the mountains. This page shows live, auto-refreshing weather for Factoria: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Los_Angeles.
Frequently asked questions
Factoria is about 10 km east of Seattle, in Washington.
Factoria sees mild, rainy winters (November–February) in the west, colder with more snow east of the mountains.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Factoria's exact coordinates. No fixed schedule, the page updates whenever you load it.
August is usually the hottest month in Factoria, with average daytime highs of about 23°C and nights around 13°C.
The coldest nights come in February, when the average low is about 1°C and daytime highs reach around 8°C. Frost is possible on clear, calm nights.
Factoria receives about 1230 mm of rain in a typical year. November is the wettest month at roughly 188 mm, and the main rainy period is October to March.
June to September usually offer the most comfortable weather in Factoria, with mild daytime temperatures and little rain.
In November Factoria typically sees daytime highs near 10°C and lows near 4°C, with about 188 mm of rain over the month and average humidity around 89%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Factoria updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Factoria's day-to-day weather follows the broader pattern of Washington described above. See the hourly weather forecast or the air quality index for more detail.