The Ground Up

Monday, September 15, '25

Weekly Weather Reports —

September 15, 2025

Week of September 15, 2025

Weekly Weather Reports

Written by Mekki Jaidi

Photos by Taylor Glenn

Updated September 15, 2025

As mid-September settles in, the week begins unsettled with showers before shifting into a stretch of mild, sunny days. Terrain is here to help you navigate the cooling trend and make the most of clear, crisp fall conditions for your projects and outdoor plans.

Weekly Terrain Conditions

Early-week rain may briefly dampen topsoil and soft surfaces, but drainage remains steady and ground stability returns quickly. By midweek, expect firm footing and favorable conditions for equipment and installations. Late-week clouds bring variety, but no major disruptions.

Weekly Temperature Swing

Highs climb gradually from the upper 50s on Monday to near 71°F by Friday, holding in the mid-to-upper 60s over the weekend. Lows hover in the mid-40s, with one dip into the high 30s Tuesday morning—a reminder that frost is edging closer as days shorten.

Precipitation Outlook

Light to moderate showers are most likely Monday, delivering measurable moisture before drying out through midweek. Totals around 0.3" keep soil hydrated without prolonged saturation. The weekend may bring scattered showers, but nothing widespread or soaking.

Cloud Cover and Wind Trends

Clouds dominate Monday and Tuesday, giving way to clear skies midweek. By Friday and Saturday, skies mix again with sun and clouds. Winds remain light throughout the week, with occasional breezes under 10 mph, ensuring steady and workable conditions.

Forecast This Week

⛈️ Monday, Sept 15:
Cool and damp with showers. High near 57°F, low 45°F. Soft footing early but drainage keeps soils manageable. Light winds. A day better suited for light or indoor work as conditions reset.

☁️ Tuesday, Sept 16:
Partly cloudy and cool. High near 63°F, low 39°F. Crisp morning with frost risk in low spots. Stable ground and light breezes make for a productive workday as soils start to dry.

☀️ Wednesday, Sept 17:
Sunny and milder. High near 67°F, low 40°F. Excellent footing and calm winds provide ideal midweek conditions for landscaping, installs, or outdoor progress.

☀️ Thursday, Sept 18:
Clear and warming. High near 70°F, low 42°F. Comfortable temperatures with firm soils and steady breezes. Prime conditions for tackling outdoor work or setting irrigation schedules.

⛅ Friday, Sept 19:
Mild with mixed sun and clouds. High near 71°F, low 44°F. Ground remains firm and winds light. Great balance for steady progress heading into the weekend.

🌦️ Saturday, Sept 20:
Slightly cooler with clouds and isolated showers. High near 66°F, low 47°F. Morning dampness possible but soils remain stable. Workable with light adjustments to pace.

⛅ Sunday, Sept 21:
Partly cloudy with a high near 65°F, low 44°F. Comfortable air and light breezes wrap the week with reliable conditions—an excellent day for catch-up work or fall planting.

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