Concrete Pouring Weather in Logan, UT: 10-Day Windows & Best Months
Logan gives you roughly 98 workable concrete pouring days a year, concentrated May through September. June leads the calendar with 24 workable days: average high 79°F, low 48°F, rain on 19% of days. Below: the live 10-day check and Logan's full month-by-month table.
GOOD — a clean label day MARGINAL — one borderline check NO — hard fail or stacked flags
The rules this check uses
Typical bagged-mix requirements for small DIY pours, scored against Logan's forecast above. The 48-hour freeze rule dominates every other row; structural work follows engineer/ACI specs instead of this table.
| Check | Threshold | Why it matters |
|---|---|---|
| Air temperature | 40–90°F — ideal 50–85°F | DIY pours work from 40–90°F; 50–85°F is the sweet spot. |
| Overnight low | ≥40°F during the first 48 h | A low under 40°F inside the first 48 hours puts you in cold-weather concreting — not a DIY window. |
| Dry before | no soaking (≥1.0") in the prior 24 h | What fell before you start matters as much as what falls after — surfaces hold water invisibly. |
| Dry after | <0.1" rain for 6 h after (12 h light rain after finishing still risks surface marks) | The make-or-break window: rain here undoes the work, not just delays it. |
| Wind | ≤20 mph (rapid surface drying up to 28 mph) | Scored on the windiest working hour; the marginal band changes the method, not the day. |
Always follow your product label — formulas vary. Treat the table as the consensus range across brands — the label in your hand is the final word.
Best months for concrete pouring in Logan
| Month | Avg high | Avg low | Rain odds/day | Workable days | |
|---|---|---|---|---|---|
| January | 32°F | 14°F | 34% | 0 | |
| February | 37°F | 18°F | 33% | 0 | |
| March | 50°F | 27°F | 31% | 0 | |
| April | 59°F | 34°F | 33% | 0 | |
| May | 69°F | 42°F | 32% | 14 | |
| June | 79°F | 48°F | 19% | 24 | |
| July | 89°F | 55°F | 13% | 15 | |
| August | 88°F | 53°F | 15% | 22 | |
| September | 78°F | 44°F | 19% | 22 | |
| October | 63°F | 33°F | 24% | 0 | |
| November | 47°F | 24°F | 28% | 0 | |
| December | 34°F | 16°F | 32% | 0 |
The working season runs May through September — about 98 workable days a year. The edges are night-limited: label rules want overnight lows of 40°F+, and Logan's nights only average that from May to September. Neighboring towns shift by a month or more — the Utah comparison shows where Logan sits.
Logan has a real wet/dry rhythm: January brings rain on 34% of days versus 13% in July. When the calendar gives you a July-side window, the dry-before and dry-after rules nearly take care of themselves.
Flip side of the driveway calendar: sealing in Logan opens later and closes earlier than pouring, on the same forecast.
Climatology here is measured at Logan Radio Kvnu, Ut Us (1.3 km away). Treat the monthly numbers as the neighborhood average; a shaded north-side deck runs colder and damper than any of them. The exact formula lives in the methodology.
Logan by the numbers
- Peak heat lands in July: 89°F average highs and 14 ninety-degree days.
- January bottoms the Logan year: 32°F days, 14°F nights.
- Rain-day odds swing from 13% in July to 34% in January.
- Nights averaging 40°F+ run May through September.
- Annual workable concrete pouring days: about 98 of 365.
Prep checklist
- Check two nights, not one afternoon: both must hold 40°F+. In Logan that math works May through September — outside it, 14°F lows own the calendar.
- Stage everything before mixing: forms braced, base compacted and damp, tools rinsed, help booked.
- Cut plastic sheeting and weight it at the pour's edge — Logan sees rain on 19% of June days, and the 6-hour rule doesn't negotiate.
- Resist the watery mix: it finishes easier today and dusts forever after. Low slump wins.
- Work the sequence: screed on the sheen, float as it dulls, and leave bleed water alone.
- Edge and joint with an edger + float set — control joints every 2–3 slab-thicknesses in feet.
- Cure damp: sheeting or misting for days; against a Logan cold snap, a curing blanket guards the first 48 hours.
- Traffic schedule: feet at 24–48 hours, tires near day 7. Anything structural runs on engineer/ACI specs, not this checklist.
Gear that saves a window
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Edger + float set
Rounded edges and a flat surface before it sets.
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Plastic sheeting
Emergency rain cover and moisture-holding cure layer.
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Curing blanket
Holds heat through cold nights in the critical 48 hours.
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Concrete mix
An 80-lb bag yields about 0.6 cu ft — do the math twice.
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IR surface thermometer
Track slab temperature, not just the forecast.
FAQ
What temperature is too cold to pour concrete?
For DIY: any low under 40°F within 48 hours of the pour — that's cold-weather concreting (blankets, accelerators, monitoring), not a weekend job. In Logan, nights average 40°F+ only May–September, which is what actually frames the season above.
Can you pour concrete before rain?
Only with 6+ hours of margin: a 0.1"+ downpour before final set washes cement paste off the finish. After set, rain helps the cure. Logan's January sees rain 34% of days — keep plastic sheeting cut and weighted at the pour's edge regardless of the forecast.
How long does concrete need to be protected from freezing?
48 hours minimum — that's when early strength forms, and ice inside that window scales the surface and weakens the slab for good. Logan's freeze risk lives at the season edges: January averages 31 nights under 40°F. Insulated curing blankets are the DIY answer to a surprise cold snap.
Is it OK to pour concrete in hot weather?
The ideal band is 50–85°F; 85–90°F earns a flag and 90°F+ is out. Logan's July highs average 89°F, so hot-weather tactics (dawn pour, shade, fast finishing) are standard kit in midsummer.
How long before you can drive on new concrete?
About 7 days for a passenger car in Logan's June conditions (79°F average highs — textbook cure speed); foot traffic after 24–48 hours. Cool weather stretches everything, because cure runs on temperature. Heavy vehicles wait longest, and the bag's schedule outranks any general rule, including this one.
Best season for concrete work in Logan?
The table above says June, August and September: enough warmth for the 48-hour cure, short of the 90°F ceiling. For small DIY pours that's the whole answer; structural pours schedule to engineer/ACI requirements, not to a best-months chart.
Related
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Guides
Climatology: NOAA 1991–2020 normals via LOGAN RADIO KVNU, UT US (1.3 km from Logan center, elevation 4475 ft); live outlook by Open-Meteo.