Is it time to blow out the sprinklers in Colorado?
Mountain West region · cool-season grass
Soil temperature today
Measured47.8°F
Measured at 5 cm by NOAA USCRN station CO_Nunn_7_NNE, reading of 2026-10-16. How we get this number.
- Cool-season seeding — 50–65°F (15° wide; estimate OK)
- Crabgrass pre-emergent — 52–58°F (6° wide; measured only)
- Warm-season seeding — above 65°F
Yes — window is open
cooling down ahead of frost — time to blow out the lines.
Done before the ground freezes, not on a fixed date.
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Covers: CO · UT · WY