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City guide · Tennessee

Outdoor Project Weather in Johnson City, TN

One forecast, six label checks. Today's verdict for every task in Johnson City loads above; the matrix below shows the whole year at a glance, computed from NOAA 1991–2020 normals at Elizabethton, Tn Us. The friendliest calendar here belongs to lawn seeding (181 workable days a year).

Six tasks · one forecast · Tennessee

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

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

Project weather, month by month

Workable days per month by task, from NOAA 1991–2020 normals for ELIZABETHTON, TN US. Darker = more workable days.
Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deck Staining	0	0	0	12	18	17	18	19	21	18	0	0
Exterior Painting	0	0	0	12	18	17	18	19	21	18	0	0
Driveway Sealing	0	0	0	0	13	17	18	19	21	1	0	0
Concrete Pouring	0	0	0	12	18	17	18	19	21	18	0	0
Roof Coating	0	0	0	12	18	17	18	19	21	18	0	0
Lawn Seeding	0	0	11	30	31	28	0	12	30	31	8	0

Which task gets the most weather in Johnson City?

Lawn Seeding181days/yr
Deck Staining123days/yr
Exterior Painting123days/yr
Concrete Pouring123days/yr
Roof Coating123days/yr
Driveway Sealing89days/yr

The composite season in Johnson City 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 Johnson City (181 workable days a year), then work down the matrix.

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Full 10-day checks

Tennessee

Climatology: NOAA 1991–2020 normals via ELIZABETHTON, TN US (11.9 km from Johnson City center); live outlook by Open-Meteo.