Grand Junction, CO Weather: Fall Warmth Peaks Sunday Before Cooler Air Arrives

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GRAND JUNCTION, Colo. – Colorado’s stretch of bright, calm weather holds through the weekend, but a crisp November cooldown is quietly taking shape by Monday. The air this morning sits in the upper 30s across the Grand Valley, with fields and rooftops glinting under clear skies—classic early-November calm before a temperature drop resets the mood to start the workweek.

According to the National Weather Service in Grand Junction, highs will climb near 70°F Sunday, roughly ten degrees above normal for early November. Light winds and low humidity will keep travel ideal for cleanup, errands, or outdoor decorating before clocks roll back early Sunday morning. However, cooler air from the north is expected to slide across western Colorado by late Monday, trimming highs back into the low 60s and reviving that brisk, dry fall feel.

Drivers along I-70 and through Mesa and Garfield Counties should anticipate clearer days but slightly chillier mornings early next week. The NWS notes no rain or snow yet in this part of Colorado, though models hint at a subtle midweek dip in temperatures—an early sign that winter’s reach is building over the Rockies. Residents should take advantage of the calm stretch to wrap up yard work, protect outdoor faucets, and check heating systems before colder nights settle in for good.

By late week, the pattern looks steady, with crisp mornings and sun-filled afternoons ideal for fall travel or early holiday prep.


Five-Day Forecast for Grand Junction, CO:
Sat: 65/39 – Sunny and mild; light east breeze.
Sun: 69/42 – Bright, calm; excellent outdoor conditions.
Mon: 70/41 – Mostly sunny; turning breezy late.
Tue: 68/39 – Cooler breeze; crisp morning air.
Wed: 68/38 – Sunny and seasonable; quiet pattern continues.