WorkWindow

Outdoor Project Weather in Iowa City, IA

One forecast, six label checks. Today's verdict for every task in Iowa City loads above; the matrix below shows the whole year at a glance, computed from NOAA 1991–2020 normals at Iowa City Muni Ap, Ia Us. The friendliest calendar here belongs to lawn seeding (181 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, Sep Stain a Deck in Iowa City →
Exterior Painting Jul, Aug, Sep Paint Outside in Iowa City →
Driveway Sealing Jul, Aug, Jun Seal a Driveway in Iowa City →
Concrete Pouring Jul, Aug, Sep Pour Concrete in Iowa City →
Roof Coating Jul, Aug, Sep Coat a Roof in Iowa City →
Lawn Seeding May, Oct, Apr Seed a Lawn in Iowa City →

Project weather, month by month

Workable days per month by task, from NOAA 1991–2020 normals for IOWA CITY MUNI AP, IA US. Darker = more workable days.
TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deck Staining 0 0 0 9 18 18 21 21 20 14 0 0
Exterior Painting 0 0 0 9 18 18 21 21 20 14 0 0
Driveway Sealing 0 0 0 0 12 18 21 21 17 0 0 0
Concrete Pouring 0 0 0 9 18 18 21 21 20 14 0 0
Roof Coating 0 0 0 9 18 18 21 21 20 14 0 0
Lawn Seeding 0 0 1 30 31 28 0 27 30 31 3 0

The composite season in Iowa City opens around April 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 Iowa City (181 workable days a year), then work down the matrix.

Full 10-day checks

Iowa

Climatology: NOAA 1991–2020 normals via IOWA CITY MUNI AP, IA US (2.2 km from Iowa City center); live outlook by Open-Meteo.