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City guide · Washington

Outdoor Project Weather in Pasco, WA

One forecast, six label checks. Today's verdict for every task in Pasco loads above; the matrix below shows the whole year at a glance, computed from NOAA 1991–2020 normals at Pasco Tri Cities Ap, Wa Us. The friendliest calendar here belongs to lawn seeding (145 workable days a year).

Six tasks · one forecast · Washington

JuneBest overall month
Lawn SeedingFriendliest task
611 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	—	Sep, Jun, May	Stain a Deck in Pasco →
Exterior Painting	—	Sep, Jun, May	Paint Outside in Pasco →
Driveway Sealing	—	Jun, Aug, Sep	Seal a Driveway in Pasco →
Concrete Pouring	—	Sep, Jun, May	Pour Concrete in Pasco →
Roof Coating	—	Sep, Jun, May	Coat a Roof in Pasco →
Lawn Seeding	—	May, Apr, Oct	Seed a Lawn in Pasco →

Neighbors on the route: Olympia, WA’s outdoor work windows and Renton, WA’s six-task outlook.

Project weather, month by month

Workable days per month by task, from NOAA 1991–2020 normals for PASCO TRI CITIES AP, WA US. Darker = more workable days.
Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deck Staining	0	0	0	4	24	25	5	11	27	8	0	0
Exterior Painting	0	0	0	4	24	25	5	11	27	8	0	0
Driveway Sealing	0	0	0	0	3	25	5	11	6	0	0	0
Concrete Pouring	0	0	0	4	24	25	5	11	27	8	0	0
Roof Coating	0	0	0	4	24	25	5	11	27	8	0	0
Lawn Seeding	0	0	8	30	31	22	0	0	26	28	0	0

Which task gets the most weather in Pasco?

Lawn Seeding145days/yr
Deck Staining104days/yr
Exterior Painting104days/yr
Concrete Pouring104days/yr
Roof Coating104days/yr
Driveway Sealing50days/yr

The composite season in Pasco opens around March and closes after October: 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 Pasco (145 workable days a year), then work down the matrix.

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Full 10-day checks

Washington

Climatology: NOAA 1991–2020 normals via PASCO TRI CITIES AP, WA US (2.3 km from Pasco center); live outlook by Open-Meteo.