Current Conditions
Sunnyside, Washington
Wind
SE 3 mph5 km/h
Humidity
23%
Cloud Cover
0%
As of Tuesday, September 8, 2026 at 5:47 PM PDT
Today's Outlook
Day
Mostly clear and warm, with a high of 80°F27°C and morning low of 68°F20°C. Light wind from the SSE around 2 mph4 km/h. Dry air.
Night
Mostly clear, with a low around 66°F19°C. Light wind from the S around 4 mph6 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Clear | High 80°F27°C | Low 66°F19°C | Precip 0 in0 mm— | Cloud 2% | Wind SSE 3 mph5 km/h | Tuesday: Mostly clear and warm, with a high of 80°F27°C and morning low of 68°F20°C. Light wind from the SSE around 2 mph4 km/h. Dry air. Tuesday Night: Mostly clear, with a low around 66°F19°C. Light wind from the S around 4 mph6 km/h. | |
| Clear | High 87°F31°C | Low 54°F12°C | Precip 0 in0 mm— | Cloud 23% | Wind SSW 3 mph6 km/h | Wednesday: Partly cloudy and hot, with a high of 87°F31°C and morning low of 57°F14°C. Light wind from the S around 3 mph5 km/h. Dry air. Wednesday Night: Mostly clear, with a low around 54°F12°C. Light wind from the SW around 4 mph6 km/h. | |
| Partly Cloudy | High 85°F29°C | Low 59°F15°C | Precip 0 in0 mm— | Cloud 71% | Wind W 6 mph10 km/h | Thursday: Overcast and warm, with a high of 85°F29°C and morning low of 63°F17°C. Breezy from the W at 6 to 10 mph10 to 17 km/h. Dry air. Thursday Night: Mostly cloudy, with a low around 59°F15°C. Breezy from the WNW at 6 to 9 mph10 to 14 km/h. | |
| Partly Cloudy | High 76°F24°C | Low 53°F11°C | Precip 0 in0 mm— | Cloud 43% | Wind WNW 4 mph6 km/h | Friday: Mostly cloudy and warm, with a high of 76°F24°C and morning low of 57°F14°C. Light wind from the SSE around 3 mph5 km/h. Dry air. Friday Night: Partly cloudy, with a low around 53°F11°C. Light wind from the WNW around 4 mph7 km/h. | |
| Drizzle | High 74°F24°C | Low 53°F11°C | Precip 0.05 in1.2 mm23% | Cloud 48% | Wind WNW 5 mph9 km/h | Saturday: Partly cloudy and warm, with a high of 74°F24°C and morning low of 56°F14°C. Breezy from the WNW at 5 to 7 mph9 to 11 km/h. 13% chance of drizzle in the afternoon. Dry air. Saturday Night: Mostly cloudy, with a low around 53°F11°C. Breezy from the W at 5 to 7 mph8 to 11 km/h. 23% chance of drizzle in the evening. | |
| Showers | High 71°F22°C | Low 55°F13°C | Precip 0.1 in2.5 mm32% | Cloud 49% | Wind WSW 7 mph12 km/h | Sunday: Mostly cloudy and warm, with a high of 71°F22°C and morning low of 58°F14°C. Breezy from the WSW at 9 mph14 km/h. 25% chance of showers throughout the day. Dry air. Sunday Night: Partly cloudy, with a low around 55°F13°C. Breezy from the WSW at 6 to 7 mph10 to 11 km/h. 32% chance of showers overnight. | |
| Clear | High 74°F24°C | Low 51°F11°C | Precip 0.01 in0.3 mm5% | Cloud 18% | Wind WSW 5 mph7 km/h | Monday: Mostly clear and warm, with a high of 74°F24°C and morning low of 55°F13°C. Light wind from the WSW around 5 mph7 km/h. Dry air. Monday Night: Mostly clear, with a low around 51°F11°C. Light wind from the WSW around 4 mph7 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| TuesdaySep 8 | 80°F27°C | 66°F19°C | 0 in0 mm· — | 2% | Clear | SSE 3 mph5 km/h | |
DayMostly clear and warm, with a high of 80°F27°C and morning low of 68°F20°C. Light wind from the SSE around 2 mph4 km/h. Dry air. NightMostly clear, with a low around 66°F19°C. Light wind from the S around 4 mph6 km/h. | |||||||
| WednesdaySep 9 | 87°F31°C | 54°F12°C | 0 in0 mm· — | 23% | Clear | SSW 3 mph6 km/h | |
DayPartly cloudy and hot, with a high of 87°F31°C and morning low of 57°F14°C. Light wind from the S around 3 mph5 km/h. Dry air. NightMostly clear, with a low around 54°F12°C. Light wind from the SW around 4 mph6 km/h. | |||||||
| ThursdaySep 10 | 85°F29°C | 59°F15°C | 0 in0 mm· — | 71% | Partly Cloudy | W 6 mph10 km/h | |
DayOvercast and warm, with a high of 85°F29°C and morning low of 63°F17°C. Breezy from the W at 6 to 10 mph10 to 17 km/h. Dry air. NightMostly cloudy, with a low around 59°F15°C. Breezy from the WNW at 6 to 9 mph10 to 14 km/h. | |||||||
| FridaySep 11 | 76°F24°C | 53°F11°C | 0 in0 mm· — | 43% | Partly Cloudy | WNW 4 mph6 km/h | |
DayMostly cloudy and warm, with a high of 76°F24°C and morning low of 57°F14°C. Light wind from the SSE around 3 mph5 km/h. Dry air. NightPartly cloudy, with a low around 53°F11°C. Light wind from the WNW around 4 mph7 km/h. | |||||||
| SaturdaySep 12 | 74°F24°C | 53°F11°C | 0.05 in1.2 mm· 23% | 48% | Drizzle | WNW 5 mph9 km/h | |
DayPartly cloudy and warm, with a high of 74°F24°C and morning low of 56°F14°C. Breezy from the WNW at 5 to 7 mph9 to 11 km/h. 13% chance of drizzle in the afternoon. Dry air. NightMostly cloudy, with a low around 53°F11°C. Breezy from the W at 5 to 7 mph8 to 11 km/h. 23% chance of drizzle in the evening. | |||||||
| SundaySep 13 | 71°F22°C | 55°F13°C | 0.1 in2.5 mm· 32% | 49% | Showers | WSW 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 71°F22°C and morning low of 58°F14°C. Breezy from the WSW at 9 mph14 km/h. 25% chance of showers throughout the day. Dry air. NightPartly cloudy, with a low around 55°F13°C. Breezy from the WSW at 6 to 7 mph10 to 11 km/h. 32% chance of showers overnight. | |||||||
| MondaySep 14 | 74°F24°C | 51°F11°C | 0.01 in0.3 mm· 5% | 18% | Clear | WSW 5 mph7 km/h | |
DayMostly clear and warm, with a high of 74°F24°C and morning low of 55°F13°C. Light wind from the WSW around 5 mph7 km/h. Dry air. NightMostly clear, with a low around 51°F11°C. Light wind from the WSW around 4 mph7 km/h. | |||||||
| TuesdaySep 15 | 75°F24°C | 52°F11°C | 0.01 in0.2 mm· 5% | 35% | Clear | WNW 4 mph7 km/h | |
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 57°F14°C. Light wind from the NW around 4 mph6 km/h. Dry air. NightPartly cloudy, with a low around 52°F11°C. Light wind from the WNW around 4 mph7 km/h. | |||||||
| WednesdaySep 16 | 74°F23°C | 53°F12°C | 0.03 in0.8 mm· 12% | 23% | Drizzle | NW 5 mph8 km/h | |
DayPartly cloudy and warm, with a high of 74°F23°C and morning low of 56°F14°C. Light wind from the NNW around 6 mph9 km/h. 12% chance of drizzle throughout the day. Dry air. NightMostly clear, with a low around 53°F12°C. Light wind from the NW around 5 mph8 km/h. | |||||||
| ThursdaySep 17 | 76°F24°C | 51°F11°C | 0.01 in0.3 mm· 6% | 15% | Clear | N 5 mph8 km/h | |
DayMostly clear and warm, with a high of 76°F24°C and morning low of 55°F13°C. Light wind from the NNE around 5 mph8 km/h. Dry air. NightMostly clear, with a low around 51°F11°C. Light wind from the NW around 4 mph7 km/h. | |||||||
| FridaySep 18 | 78°F26°C | 52°F11°C | 0 in0.1 mm· 3% | 15% | Clear | NNW 4 mph7 km/h | |
DayMostly clear and warm, with a high of 78°F26°C and morning low of 55°F13°C. Light wind from the NNE around 5 mph7 km/h. Dry air. NightMostly clear, with a low around 52°F11°C. Light wind from the NW around 4 mph7 km/h. | |||||||
| SaturdaySep 19 | 80°F26°C | 52°F11°C | 0.01 in0.2 mm· 5% | 18% | Clear | NNW 4 mph7 km/h | |
DayMostly clear and warm, with a high of 80°F26°C and morning low of 55°F13°C. Light wind from the NNE around 4 mph7 km/h. Dry air. NightMostly clear, with a low around 52°F11°C. Light wind from the NW around 4 mph7 km/h. | |||||||
| SundaySep 20 | 80°F27°C | 54°F12°C | 0.01 in0.2 mm· 3% | 24% | Clear | NW 4 mph6 km/h | |
DayPartly cloudy and warm, with a high of 80°F27°C and morning low of 57°F14°C. Light wind from the N around 4 mph7 km/h. Dry air. NightMostly clear, with a low around 54°F12°C. Light wind from the WNW around 4 mph6 km/h. | |||||||
| MondaySep 21 | 81°F27°C | 55°F13°C | 0.01 in0.3 mm· 5% | 30% | Clear | NW 4 mph7 km/h | |
DayPartly cloudy and warm, with a high of 81°F27°C and morning low of 57°F14°C. Light wind from the NNW around 4 mph6 km/h. Dry air. NightPartly cloudy, with a low around 55°F13°C. Light wind from the WNW around 4 mph7 km/h. | |||||||
| TuesdaySep 22 | 80°F27°C | 55°F13°C | 0.02 in0.4 mm· 5% | 31% | Clear | NW 5 mph7 km/h | |
DayPartly cloudy and warm, with a high of 80°F27°C and morning low of 59°F15°C. Light wind from the NNW around 5 mph8 km/h. Dry air. NightPartly cloudy, with a low around 55°F13°C. Light wind from the WNW around 4 mph7 km/h. | |||||||
Nearby Cities
About This Forecast
This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.
WeatherMesh consistently outperforms legacy models in independent benchmarks. View Benchmarks →
Access WeatherMesh forecasts programmatically via our API. API Documentation →
Coordinates: 46.3237°N, 120.0087°W·Elevation: 227m·Timezone: America/Los_Angeles·Population: 16,325