WorkWindow

Outdoor Project Weather in Bellevue, WA

One forecast, six label checks. Today's verdict for every task in Bellevue loads above; the matrix below shows the whole year at a glance, computed from NOAA 1991–2020 normals at Renton Muni Ap, Wa Us. The friendliest calendar here belongs to lawn seeding (288 workable days a year).

Today at a glance

Verdicts load live from the 10-day forecast; without JavaScript this column stays blank and the year-round matrix below still answers the planning question.
TaskTodayBest months hereFull 10-day check
Deck Staining Jul, Aug, Jun Stain a Deck in Bellevue →
Exterior Painting Jul, Aug, Jun Paint Outside in Bellevue →
Driveway Sealing Jul, Aug, Jun Seal a Driveway in Bellevue →
Concrete Pouring Jul, Aug, Jun Pour Concrete in Bellevue →
Roof Coating Jul, Aug, Jun Coat a Roof in Bellevue →
Lawn Seeding Mar, May, Jul Seed a Lawn in Bellevue →

Project weather, month by month

Workable days per month by task, from NOAA 1991–2020 normals for RENTON MUNI AP, WA US. Darker = more workable days.
TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deck Staining 0 0 5 16 19 21 26 26 21 16 7 0
Exterior Painting 0 0 5 16 19 21 26 26 21 16 7 0
Driveway Sealing 0 0 0 0 7 21 26 26 21 1 0 0
Concrete Pouring 0 0 5 16 19 21 26 26 21 16 7 0
Roof Coating 0 0 5 16 19 21 26 26 21 16 7 0
Lawn Seeding 0 18 31 30 31 30 31 31 30 31 25 0

The composite season in Bellevue opens around February and closes after November: coatings wait on warm nights, concrete on freeze-free 48-hour stretches, seeding on the 55–80°F germination band. Between those bookends, the right question is which task fits this week — which is what the verdicts above answer.

Deepest calendar first: start with lawn seeding in Bellevue (288 workable days a year), then work down the matrix.

Full 10-day checks

Washington

Climatology: NOAA 1991–2020 normals via RENTON MUNI AP, WA US (12.0 km from Bellevue center); live outlook by Open-Meteo.