Moses Lake, WA 98837 Monthly Weather

Grant County1:56 PM PDT47.14°N, 119.29°W
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October 2026

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Mon
Tue
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174°/44°Avg 72°/42°
279°/45°Avg 71°/42°
381°/45°Avg 70°/41°
480°/46°Avg 70°/41°
577°/41°Avg 69°/40°
676°/39°Avg 69°/40°
779°/40°Avg 68°/40°
877°/40°Avg 68°/39°
972°/42°<0.01 inAvg 67°/39°
1062°/40°Avg 66°/39°
1159°/40°<0.01 inAvg 66°/38°
1260°/32°Avg 65°/38°
1361°/30°<0.01 inAvg 64°/38°
1467°/38°<0.01 inAvg 64°/37°
1573°/34°<0.01 inAvg 63°/37°
1669°/34°Avg 63°/37°
1771°/34°Avg 62°/36°
1866°/28°Avg 62°/36°
1959°/35°Avg 61°/36°
2070°/37°Avg 60°/36°
21Avg 60°/35°
22 Slight Chance Rain Showers 64°/41°Avg 59°/35°
23 Sunny 63°/31°Avg 59°/35°
24 Mostly Sunny 57°/33°Avg 58°/34°
25 Mostly Sunny then Slight Chance Rain Showers 59°/35°Avg 58°/34°
26 Chance Rain Showers 58°/33°Avg 57°/34°
27 Mostly Sunny 58°/32°Avg 56°/34°
28 Mostly Sunny 57°/32°Avg 56°/33°
29 Sunny 61°/38°Avg 55°/33°
30 Partly cloudy 58°/37°Avg 55°/33°
31Avg 54°/32°
Average high71° (normal 66°)
Average low38° (normal 39°)
Warmest / coldest81° / 28°
Precipitation<0.01 in (normal 0.37 in to date)
Record high today74° (2003)
Record low today26° (2000)

Observed: Moses Lake Grant County Ap, 7 km away, records since 1949. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.