Is it good to stain in Cleveland, OH this week?
A live 7-day go/no-go calendar for deck & fence stain in Cleveland, built from the local forecast against the 5°F-above-dew-point rule. We lead with the signal a weather app misses: overnight condensation risk.
- Dew margin
- 10.3°F
- Overnight dew
- Low
- Rain
- 94%
- Window
- —
Rain likely in the 24h cure window (94% chance, ~7.5mm) — it can wash out or mar an uncured stain.
- Dew margin
- 9.9°F
- Overnight dew
- Low
- Rain
- 2%
- Window
- 8am–5pm
Clear to stain: temps 55–63°F, RH under 70%, surface stays 9.9°F+ above the dew point, no rain in the cure window.
- Dew margin
- 4.9°F
- Overnight dew
- Watch
- Rain
- 0%
- Window
- 8am–5pm
Watch overnight dew — surface comes within 4.9°F of the dew point (margin is 5°F). Time the coat to dry well before evening.
- Dew margin
- 13°F
- Overnight dew
- Low
- Rain
- 0%
- Window
- 8am–5pm
Clear to stain: temps 57–59°F, RH under 63%, surface stays 13°F+ above the dew point, no rain in the cure window.
- Dew margin
- 12.8°F
- Overnight dew
- Low
- Rain
- 0%
- Window
- 9am–5pm
Cold mornings (down to 49°F, floor is 50°F) — wait for the surface to warm past midday before you stain.
- Dew margin
- 15.5°F
- Overnight dew
- Low
- Rain
- 0%
- Window
- 10am–5pm
Cold mornings (down to 47°F, floor is 50°F) — wait for the surface to warm past midday before you stain.
- Dew margin
- 5.2°F
- Overnight dew
- Low
- Rain
- 11%
- Window
- 8am–5pm
Clear to stain: temps 57–71°F, RH under 56%, surface stays 5.2°F+ above the dew point, no rain in the cure window.
- Rain likely in the 24h cure window (94% chance, ~7.5mm) — it can wash out or mar an uncured stain.
- High humidity (94%, over the 85% mark) slows drying — keep an eye on the cure window.
Hold off. These are forecast numbers — confirm the surface temperature on-site before you start.
Why these thresholds
Stain applied to a damp or dew-wet board can't penetrate — it beads, stays tacky and flakes. Wood must be dry and stay above the dew point while it sets.
- • Surface temp must stay 5°F above the dew point through application and cure (ASTM D3276 / ISO 8502-42).
- • Air + surface in the 50–90°F band (low-temp lines to 45°F).
- • Humidity under 85%; ideally under 70%.
- • No rain for 24h after application.
- • We use the forecast ground-surface temperature as a surface-temp proxy — confirm on-site with an IR thermometer.
Free in the beta
Watch this job site 24/7
Get an email the moment overnight dew, rain, or an out-of-range stretch threatens a fresh coat — and a morning digest with the best window ahead. No app to check; we watch the forecast for you.