Is it good to stain in Anchorage, AK this week?
A live 7-day go/no-go calendar for deck & fence stain in Anchorage, 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
- -2.7°F
- Overnight dew
- High
- Rain
- 47%
- Window
- —
High condensation risk overnight — surface dips to within -2.7°F of the 33°F dew point (low 27°F, 48% cloud, 0 mph wind). A fresh stain can blush/blister. Stop 4h before dew falls.
- Dew margin
- -5.6°F
- Overnight dew
- High
- Rain
- 0%
- Window
- —
High condensation risk overnight — surface dips to within -5.6°F of the 31°F dew point (low 25°F, 92% cloud, 3 mph wind). A fresh stain can blush/blister. Stop 4h before dew falls.
- Dew margin
- 3.3°F
- Overnight dew
- Watch
- Rain
- 35%
- Window
- —
Too cold to stain — daytime high only 43°F, below the 50°F minimum (even a low-temp line needs 45°F+).
- Dew margin
- -0.6°F
- Overnight dew
- High
- Rain
- 75%
- Window
- —
High condensation risk overnight — surface dips to within -0.6°F of the 39°F dew point (low 38°F, 93% cloud, 4 mph wind). A fresh stain can blush/blister. Stop 4h before dew falls.
- Dew margin
- -3°F
- Overnight dew
- High
- Rain
- 52%
- Window
- —
High condensation risk overnight — surface dips to within -3°F of the 37°F dew point (low 34°F, 100% cloud, 3 mph wind). A fresh stain can blush/blister. Stop 4h before dew falls.
- Dew margin
- -0.8°F
- Overnight dew
- High
- Rain
- 40%
- Window
- —
High condensation risk overnight — surface dips to within -0.8°F of the 38°F dew point (low 38°F, 90% cloud, 2 mph wind). A fresh stain can blush/blister. Stop 4h before dew falls.
- Dew margin
- -1.9°F
- Overnight dew
- High
- Rain
- 45%
- Window
- —
High condensation risk overnight — surface dips to within -1.9°F of the 38°F dew point (low 36°F, 85% cloud, 1 mph wind). A fresh stain can blush/blister. Stop 4h before dew falls.
- High condensation risk overnight — surface dips to within -2.7°F of the 33°F dew point (low 27°F, 48% cloud, 0 mph wind). A fresh stain can blush/blister. Stop 4h before dew falls.
- Too cold to stain — daytime high only 41°F, below the 50°F minimum (even a low-temp line needs 45°F+).
- Some rain risk (47%) during the cure window — re-check the radar before you start.
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.