Current Conditions
Richland, Washington
Wind
SW 15 mph25 km/h
Humidity
45%
Cloud Cover
100%
As of Wednesday, September 2, 2026 at 4:27 PM PDT
Today's Outlook
Day
Overcast and warm, with a high of 78°F25°C and morning low of 71°F21°C. Breezy from the SW at 12 to 15 mph20 to 25 km/h. 10% chance of drizzle. Dry air.
Night
Overcast, with a low around 62°F17°C. Breezy from the S at 8 mph13 km/h. 85% chance of light rain throughout the night.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Light Rain | High 78°F25°C | Low 62°F17°C | Precip 0.06 in1.6 mm85% | Cloud 93% | Wind SSW 10 mph17 km/h | Wednesday: Overcast and warm, with a high of 78°F25°C and morning low of 71°F21°C. Breezy from the SW at 12 to 15 mph20 to 25 km/h. 10% chance of drizzle. Dry air. Wednesday Night: Overcast, with a low around 62°F17°C. Breezy from the S at 8 mph13 km/h. 85% chance of light rain throughout the night. | |
| Showers | High 72°F22°C | Low 56°F13°C | Precip 0.03 in0.8 mm64% | Cloud 52% | Wind SSW 7 mph12 km/h | Thursday: Mostly cloudy and warm, with a high of 72°F22°C and morning low of 59°F15°C. Breezy from the SSW at 8 to 10 mph13 to 16 km/h. Dry air. Thursday Night: Partly cloudy, with a low around 56°F13°C. Breezy from the SSW at 6 to 8 mph10 to 13 km/h. 64% chance of showers overnight. | |
| Drizzle | High 74°F23°C | Low 54°F12°C | Precip 0.02 in0.4 mm14% | Cloud 37% | Wind S 4 mph6 km/h | Friday: Partly cloudy and warm, with a high of 74°F23°C and morning low of 57°F14°C. Light wind from the S around 4 mph6 km/h. 14% chance of drizzle in the morning. Dry air. Friday Night: Partly cloudy, with a low around 54°F12°C. Light wind from the SSW around 4 mph6 km/h. | |
| Drizzle | High 74°F24°C | Low 55°F13°C | Precip 0.03 in0.7 mm19% | Cloud 43% | Wind NNW 4 mph6 km/h | Saturday: Partly cloudy and warm, with a high of 74°F24°C and morning low of 58°F15°C. Light wind from the N around 3 mph5 km/h. 19% chance of drizzle throughout the day. Dry air. Saturday Night: Partly cloudy, with a low around 55°F13°C. Light wind from the NNW around 4 mph6 km/h. 11% chance of drizzle. | |
| Drizzle | High 76°F24°C | Low 55°F13°C | Precip 0.02 in0.6 mm13% | Cloud 64% | Wind NW 5 mph7 km/h | Sunday: Mostly cloudy and warm, with a high of 76°F24°C and morning low of 59°F15°C. Light wind from the NNW around 5 mph8 km/h. 12% chance of drizzle. Dry air. Sunday Night: Mostly cloudy, with a low around 55°F13°C. Light wind from the WNW around 4 mph7 km/h. 13% chance of drizzle overnight. | |
| Drizzle | High 77°F25°C | Low 59°F15°C | Precip 0.09 in2.4 mm27% | Cloud 69% | Wind SW 7 mph12 km/h | Monday: Mostly cloudy and warm, with a high of 77°F25°C and morning low of 62°F17°C. Breezy from the WSW at 8 to 9 mph13 to 15 km/h. 23% chance of drizzle throughout the day. Dry air. Monday Night: Mostly cloudy, with a low around 59°F15°C. Breezy from the SW at 6 to 8 mph10 to 12 km/h. 27% chance of drizzle throughout the night. | |
| Clear | High 78°F26°C | Low 57°F14°C | Precip 0.01 in0.2 mm4% | Cloud 40% | Wind SSW 6 mph9 km/h | Tuesday: Partly cloudy and warm, with a high of 78°F26°C and morning low of 60°F16°C. Light wind from the SSW around 6 mph9 km/h. Dry air. Tuesday Night: Partly cloudy, with a low around 57°F14°C. Light wind from the SSW around 5 mph9 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 2 | 78°F25°C | 62°F17°C | 0.06 in1.6 mm· 85% | 93% | Light Rain | SSW 10 mph17 km/h | |
DayOvercast and warm, with a high of 78°F25°C and morning low of 71°F21°C. Breezy from the SW at 12 to 15 mph20 to 25 km/h. 10% chance of drizzle. Dry air. NightOvercast, with a low around 62°F17°C. Breezy from the S at 8 mph13 km/h. 85% chance of light rain throughout the night. | |||||||
| ThursdaySep 3 | 72°F22°C | 56°F13°C | 0.03 in0.8 mm· 64% | 52% | Showers | SSW 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 72°F22°C and morning low of 59°F15°C. Breezy from the SSW at 8 to 10 mph13 to 16 km/h. Dry air. NightPartly cloudy, with a low around 56°F13°C. Breezy from the SSW at 6 to 8 mph10 to 13 km/h. 64% chance of showers overnight. | |||||||
| FridaySep 4 | 74°F23°C | 54°F12°C | 0.02 in0.4 mm· 14% | 37% | Drizzle | S 4 mph6 km/h | |
DayPartly cloudy and warm, with a high of 74°F23°C and morning low of 57°F14°C. Light wind from the S around 4 mph6 km/h. 14% chance of drizzle in the morning. Dry air. NightPartly cloudy, with a low around 54°F12°C. Light wind from the SSW around 4 mph6 km/h. | |||||||
| SaturdaySep 5 | 74°F24°C | 55°F13°C | 0.03 in0.7 mm· 19% | 43% | Drizzle | NNW 4 mph6 km/h | |
DayPartly cloudy and warm, with a high of 74°F24°C and morning low of 58°F15°C. Light wind from the N around 3 mph5 km/h. 19% chance of drizzle throughout the day. Dry air. NightPartly cloudy, with a low around 55°F13°C. Light wind from the NNW around 4 mph6 km/h. 11% chance of drizzle. | |||||||
| SundaySep 6 | 76°F24°C | 55°F13°C | 0.02 in0.6 mm· 13% | 64% | Drizzle | NW 5 mph7 km/h | |
DayMostly cloudy and warm, with a high of 76°F24°C and morning low of 59°F15°C. Light wind from the NNW around 5 mph8 km/h. 12% chance of drizzle. Dry air. NightMostly cloudy, with a low around 55°F13°C. Light wind from the WNW around 4 mph7 km/h. 13% chance of drizzle overnight. | |||||||
| MondaySep 7 | 77°F25°C | 59°F15°C | 0.09 in2.4 mm· 27% | 69% | Drizzle | SW 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 77°F25°C and morning low of 62°F17°C. Breezy from the WSW at 8 to 9 mph13 to 15 km/h. 23% chance of drizzle throughout the day. Dry air. NightMostly cloudy, with a low around 59°F15°C. Breezy from the SW at 6 to 8 mph10 to 12 km/h. 27% chance of drizzle throughout the night. | |||||||
| TuesdaySep 8 | 78°F26°C | 57°F14°C | 0.01 in0.2 mm· 4% | 40% | Clear | SSW 6 mph9 km/h | |
DayPartly cloudy and warm, with a high of 78°F26°C and morning low of 60°F16°C. Light wind from the SSW around 6 mph9 km/h. Dry air. NightPartly cloudy, with a low around 57°F14°C. Light wind from the SSW around 5 mph9 km/h. | |||||||
| WednesdaySep 9 | 83°F28°C | 57°F14°C | 0.01 in0.2 mm· 3% | 20% | Clear | WSW 5 mph7 km/h | |
DayMostly clear and warm, with a high of 83°F28°C and morning low of 62°F17°C. Light wind from the W around 5 mph8 km/h. Dry air. NightMostly clear, with a low around 57°F14°C. Light wind from the SW around 4 mph7 km/h. | |||||||
| ThursdaySep 10 | 83°F29°C | 59°F15°C | 0.01 in0.3 mm· 5% | 34% | Clear | SW 5 mph9 km/h | |
DayPartly cloudy and warm, with a high of 83°F29°C and morning low of 61°F16°C. Light wind from the SW around 6 mph9 km/h. Dry air. NightPartly cloudy, with a low around 59°F15°C. Light wind from the SW around 5 mph8 km/h. | |||||||
| FridaySep 11 | 78°F26°C | 60°F16°C | 0.02 in0.5 mm· 8% | 48% | Partly Cloudy | SW 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 64°F18°C. Breezy from the SW at 7 to 8 mph11 to 13 km/h. Dry air. NightPartly cloudy, with a low around 60°F16°C. Breezy from the SW at 6 to 7 mph10 to 11 km/h. | |||||||
| SaturdaySep 12 | 76°F25°C | 58°F14°C | 0.03 in0.7 mm· 8% | 50% | Partly Cloudy | SW 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 76°F25°C and morning low of 61°F16°C. Breezy from the SW at 7 to 8 mph11 to 13 km/h. Dry air. NightPartly cloudy, with a low around 58°F14°C. Breezy from the SW at 6 to 7 mph10 to 11 km/h. | |||||||
| SundaySep 13 | 76°F25°C | 57°F14°C | 0.03 in0.8 mm· 12% | 40% | Drizzle | SW 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 76°F25°C and morning low of 61°F16°C. Breezy from the WSW at 7 to 8 mph12 to 13 km/h. 12% chance of drizzle in the morning. Dry air. NightPartly cloudy, with a low around 57°F14°C. Light wind from the SW around 6 mph10 km/h. | |||||||
| MondaySep 14 | 78°F26°C | 56°F13°C | 0.01 in0.3 mm· 6% | 29% | Clear | SW 5 mph9 km/h | |
DayPartly cloudy and warm, with a high of 78°F26°C and morning low of 59°F15°C. Light wind from the WSW around 6 mph9 km/h. Dry air. NightPartly cloudy, with a low around 56°F13°C. Light wind from the SW around 5 mph8 km/h. | |||||||
| TuesdaySep 15 | 80°F26°C | 56°F13°C | 0.01 in0.3 mm· 5% | 30% | Clear | WSW 5 mph8 km/h | |
DayPartly cloudy and warm, with a high of 80°F26°C and morning low of 59°F15°C. Light wind from the WSW around 5 mph9 km/h. Dry air. NightPartly cloudy, with a low around 56°F13°C. Light wind from the SW around 5 mph8 km/h. | |||||||
| WednesdaySep 16 | 81°F27°C | 57°F14°C | 0.01 in0.2 mm· 5% | 26% | Clear | W 5 mph8 km/h | |
DayPartly cloudy and warm, with a high of 81°F27°C and morning low of 60°F15°C. Light wind from the WNW around 5 mph9 km/h. Dry air. NightPartly cloudy, with a low around 57°F14°C. Light wind from the W around 5 mph8 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: 46.2857°N, 119.2845°W·Elevation: 117m·Timezone: America/Los_Angeles·Population: 54,248