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City guide · Washington

Outdoor Project Weather in Tacoma, WA

This page runs Tacoma's forecast against all six task rulesets at once. Verdicts load live above; the month-by-month matrix below — built from NOAA 1991–2020 normals — shows when each job's season opens. Lawn Seeding gets the most calendar here: 288 workable days a year.

Six tasks · one forecast · Washington

JulyBest overall month
Lawn SeedingFriendliest task
1,059 task-daysWorkable task-days/yr
6Tasks tracked
Average of all six tasks

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.
Task	Today	Best months here	Full 10-day check
Deck Staining	—	Aug, Jul, Sep	Stain a Deck in Tacoma →
Exterior Painting	—	Aug, Jul, Sep	Paint Outside in Tacoma →
Driveway Sealing	—	Aug, Jul, Sep	Seal a Driveway in Tacoma →
Concrete Pouring	—	Aug, Jul, Sep	Pour Concrete in Tacoma →
Roof Coating	—	Aug, Jul, Sep	Coat a Roof in Tacoma →
Lawn Seeding	—	Mar, May, Jul	Seed a Lawn in Tacoma →

Keep the tour going — compare this calendar with Spokane Valley, WA behind you or Vancouver, WA up next.

Project weather, month by month

Workable days per month by task, from NOAA 1991–2020 normals for TACOMA #1, WA US. Darker = more workable days.
Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deck Staining	0	0	8	16	20	22	27	27	22	17	7	0
Exterior Painting	0	0	8	16	20	22	27	27	22	17	7	0
Driveway Sealing	0	0	0	0	8	22	27	27	22	1	0	0
Concrete Pouring	0	0	8	16	20	22	27	27	22	17	7	0
Roof Coating	0	0	8	16	20	22	27	27	22	17	7	0
Lawn Seeding	0	17	31	30	31	30	31	31	30	31	26	0

Which task gets the most weather in Tacoma?

Lawn Seeding288days/yr
Deck Staining166days/yr
Exterior Painting166days/yr
Concrete Pouring166days/yr
Roof Coating166days/yr
Driveway Sealing107days/yr

Season edges differ by task — that's the point of checking six at once. In Tacoma the earliest opener starts around February and the last holdout closes after November. A week that fails the paint rules on humidity can still pass seeding, and a frost that ends concrete season leaves sealing untouched until nights slip under 50°F.

If you only open one full check, make it lawn seeding — Tacoma's longest season at 288 workable days.

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Full 10-day checks

Washington

Climatology: NOAA 1991–2020 normals via TACOMA #1, WA US (3.1 km from Tacoma center); live outlook by Open-Meteo.