Idaho · NWS BOI office

Meridian, ID weather

It is 37°F and clear at Nampa Municipal Airport as of Oct 28, 2:55 AM MDT. Overnight: Partly Cloudy, low near 33°F. Forecast from the National Weather Service, issued Oct 28, 12:30 AM MDT.

Updated Oct 28, 3:15 AM MDT (snapshot)

Current conditions

Temperature

37°F

Clear · feels like 34°F

Wind

SE 5 mph

Humidity 81% · dew point 32°F

Pressure · visibility

30.04 inHg

Visibility 10 mi

Observed at Nampa Municipal Airport (KMAN), Oct 28, 2:55 AM MDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Meridian forecast zone right now.

Around the NWS BOI forecast area

No active alerts in zones served by the BOI office near Meridian.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. No alerts are active anywhere in Idaho.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Meridian (local time)
TimeTempForecastPrecip. chanceWind
Wed 3 AM36°FMostly Clear0%SE 3 mph
Wed 4 AM35°FPartly Cloudy0%SE 3 mph
Wed 5 AM35°FPartly Cloudy0%SE 3 mph
Wed 6 AM34°FPatchy Frost0%SE 3 mph
Wed 7 AM34°FPatchy Frost0%SE 5 mph
Wed 8 AM34°FPatchy Frost0%SE 5 mph
Wed 9 AM34°FPatchy Frost0%ESE 5 mph
Wed 10 AM40°FPartly Sunny0%SE 5 mph
Wed 11 AM46°FMostly Sunny0%SE 5 mph
Wed 12 PM50°FMostly Sunny0%SE 6 mph
Wed 1 PM54°FSunny0%SE 6 mph
Wed 2 PM56°FSunny0%SSE 5 mph
Wed 3 PM56°FSunny0%SSE 5 mph
Wed 4 PM56°FSunny0%SE 3 mph
Wed 5 PM56°FSunny0%SE 3 mph
Wed 6 PM54°FClear0%E 2 mph
Wed 7 PM51°FMostly Clear0%NE 2 mph
Wed 8 PM46°FMostly Clear1%E 2 mph
Wed 9 PM43°FClear1%E 2 mph
Wed 10 PM40°FClear1%ESE 2 mph
Wed 11 PM38°FMostly Clear1%SE 2 mph
Thu 12 AM37°FPatchy Frost1%SE 3 mph
Thu 1 AM36°FAreas Of Frost1%SE 3 mph
Thu 2 AM36°FAreas Of Frost1%SE 3 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Meridian can differ.

7-day forecast

Overnight

Low 33°F

Partly cloudy, with a low around 33. Southeast wind around 3 mph.

Wednesday

High 57°F·Low 30°F

Patchy frost before 10am. Mostly sunny, with a high near 57. Southeast wind around 6 mph.

Wednesday Night: Widespread frost after midnight. Mostly clear, with a low around 30. East southeast wind around 3 mph.

Thursday

High 59°F·Low 37°F

Widespread frost before 11am. Mostly sunny, with a high near 59. South southeast wind around 5 mph.

Thursday Night: Mostly cloudy, with a low around 37. East southeast wind around 3 mph.

Friday

High 61°F·Low 35°F

Mostly cloudy, with a high near 61.

Friday Night: Partly cloudy, with a low around 35.

Saturday

High 58°F·Low 39°F

Areas of fog and a chance of rain showers. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.

Saturday Night: Rain showers likely before 1am, then rain showers likely and patchy fog. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

Sunday

High 54°F·Low 32°F

A chance of rain showers before 5pm. Partly sunny, with a high near 54. Chance of precipitation is 40%.

Sunday Night: Mostly clear, with a low around 32.

Monday

High 56°F·Low 32°F

Sunny, with a high near 56.

Monday Night: Partly cloudy, with a low around 32.

Tuesday

High 58°F

Mostly sunny, with a high near 58.

Nearby cities

Other cities in Ada County

See every city we cover in Idaho, or check all active alerts.

About this forecast

Forecast office
Meridian is served by the National Weather Service BOI forecast office, forecast zone IDZ014, county zone IDC001.
Location used
The Census Bureau's internal point for Meridian (43.6115, -116.4007), in Ada County. Population: 139,740 (2024 estimate), number 2 of the 15 Idaho cities on this site.
Radar
Nearest NWS radar: KCBX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/43.6115,-116.4007 (forecast issued Oct 28, 12:30 AM MDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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