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City guide · Tennessee

Outdoor Project Weather in Knoxville, TN

One forecast, six label checks. Today's verdict for every task in Knoxville loads above; the matrix below shows the whole year at a glance, computed from NOAA 1991–2020 normals at Knoxville Exp Stn, Tn Us. The friendliest calendar here belongs to lawn seeding (158 workable days a year).

Six tasks · one forecast · Tennessee

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

City-to-city context helps: browse outdoor project weather in Kingsport, TN one stop back, or continue to Memphis, TN’s project calendar.

Project weather, month by month

Workable days per month by task, from NOAA 1991–2020 normals for KNOXVILLE EXP STN, TN US. Darker = more workable days.
Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deck Staining	0	0	0	17	19	19	20	21	22	20	0	0
Exterior Painting	0	0	0	17	19	19	20	21	22	20	0	0
Driveway Sealing	0	0	0	0	18	19	20	21	22	4	0	0
Concrete Pouring	0	0	0	17	19	19	20	21	22	20	0	0
Roof Coating	0	0	0	17	19	19	20	21	22	20	0	0
Lawn Seeding	0	0	19	30	31	12	0	0	22	31	13	0

Which task gets the most weather in Knoxville?

Lawn Seeding158days/yr
Deck Staining138days/yr
Exterior Painting138days/yr
Concrete Pouring138days/yr
Roof Coating138days/yr
Driveway Sealing104days/yr

The composite season in Knoxville 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 Knoxville (158 workable days a year), then work down the matrix.

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Full 10-day checks

Tennessee

Climatology: NOAA 1991–2020 normals via KNOXVILLE EXP STN, TN US (7.9 km from Knoxville center); live outlook by Open-Meteo.