Summer Smoke Days

Summer is peak season: the calendar is open, the social demand is at its highest, and the weather is the most challenging of the year. Humidity, not heat, decides most summer cooks.

The summer cook is a humidity story

Most cooks think summer is about heat, but the heat is rarely the variable that decides a cook. The cook-deciding variable is wet-bulb temperature: the lowest temperature evaporation can cool a wet surface down to. When the wet-bulb climbs into the high 70s and 80s, evaporative cooling from the brisket surface effectively stalls, and so does the meat. A Saturday with 95 °F air and 50 °F dew point smokes easily; a Saturday with 85 °F air and 75 °F dew point is harder. Run your cut and target finish time through the brisket calculator to lock in a start time, then let the forecast's wet-bulb reading tell you how hard a humid Saturday will push the stall.

Pop-up afternoon storms are the second summer variable. Most are convective and fire between mid-afternoon and dinnertime. A cook that finishes before the storm window or runs under a covered patio handles them fine; an open offset in a thunderstorm does not. The forecast's gust band and rain probability are the right places to look.

Live forecast

Which summer Saturday actually works is a local question. The Best Smoke Days forecast scores the next seven days with explicit wet-bulb weighting for long-cook cuts, so the score reflects the actual difficulty of the day rather than just the headline temperature.

Other seasons

Winter Smoke Days: fuel-rate inflation, short days, insulated cookers
Spring Smoke Days: shoulder season, frontal storms, wind risk
Fall Smoke Days: the strongest cook window in most regions

Frequently asked questions

Why does the stall last longer in summer?

The stall is driven by evaporative cooling from the meat surface, which depends on the wet-bulb temperature of the air around it. Summer humidity keeps the wet-bulb high, often within 10 °F of the air temperature, and a high wet-bulb directly extends the stall for long cuts. The same brisket that takes 14 hours on a dry January Saturday may take 17 hours on a humid July Saturday.

How do I plan around summer storm cells?

Most summer storms are convective and afternoon-biased: they fire between roughly 14:00 and 19:00 local. Start long cooks early enough that the wrap-and-rest window covers the storm risk hours, or pick a cook that finishes before the afternoon. A cooker under a covered patio shrugs off most rain; an open offset in an exposed yard does not.

Is the score harsher on humid days?

Yes. The Best Smoke Days score weighs wet-bulb temperature for long-cook cuts (brisket, pork shoulder, ribs) because high wet-bulb air directly extends the stall and makes the cook harder to predict. A 90 °F summer day with a 75 °F dew point scores lower for brisket than the same temperature with a 55 °F dew point, same air temperature, very different cook.

Metro forecasts to watch this summer

Summer belongs to the northern tier, where afternoon highs stay out of the penalty band. Seattle, Portland, Milwaukee, Minneapolis, Buffalo, and Denver are the ones worth checking first. Browse all 50 metros to find your own.