Is it good to stain in Aurora, CO this week?
A live 7-day go/no-go calendar for deck & fence stain in Aurora, 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
- 10.8°F
- Overnight dew
- Low
- Rain
- 29%
- Window
- —
Too hot — high of 96°F is well over the 90°F ceiling; the film skins over before it can level or adhere.
- Dew margin
- 5°F
- Overnight dew
- Low
- Rain
- 87%
- Window
- —
Rain likely in the 24h cure window (87% chance) — it can wash out or mar an uncured stain.
- Dew margin
- 5.8°F
- Overnight dew
- Low
- Rain
- 91%
- Window
- —
Rain likely in the 24h cure window (91% chance, ~3.6mm) — it can wash out or mar an uncured stain.
- Dew margin
- 9.5°F
- Overnight dew
- Low
- Rain
- 74%
- Window
- —
Rain likely in the 24h cure window (74% chance, ~1.6mm) — it can wash out or mar an uncured stain.
- Dew margin
- 5.6°F
- Overnight dew
- Low
- Rain
- 67%
- Window
- —
Rain likely in the 24h cure window (67% chance) — it can wash out or mar an uncured stain.
- Dew margin
- 15°F
- Overnight dew
- Low
- Rain
- 31%
- Window
- 8am–5pm
Hot afternoon (90°F, ceiling 90°F) — stain early and follow the shade.
- Dew margin
- 22°F
- Overnight dew
- Low
- Rain
- 19%
- Window
- 8am–5pm
Hot afternoon (95°F, ceiling 90°F) — stain early and follow the shade.
- Too hot — high of 96°F is well over the 90°F ceiling; the film skins over before it can level or adhere.
- Rain likely in the 24h cure window (29% chance, ~1.1mm) — it can wash out or mar an uncured stain.
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.
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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.