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McNab, AR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for McNab, a town in Hempstead County, Arkansas.

This Afternoon
75°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 3pm. Partly sunny, with a high near 75. Southwest wind around 5 mph. Chance of precipitation is 60%.

7-day forecast for McNab

WhenTempForecastWindPrecip
This Afternoon 75°F Showers And Thunderstorms Likely 5 mph SW 57%
Tonight 51°F Partly Cloudy 0 to 5 mph W 1%
Wednesday 72°F Sunny 0 to 5 mph W 0%
Wednesday Night 45°F Mostly Clear 0 mph 0%
Thursday 75°F Sunny 0 mph 5%
Thursday Night 50°F Partly Cloudy 0 mph 7%
Friday 70°F Sunny 0 to 5 mph NW 0%
Friday Night 44°F Partly Cloudy 0 mph 0%
Saturday 67°F Mostly Sunny 0 mph 1%
Saturday Night 42°F Partly Cloudy 0 mph 4%
Sunday 67°F Mostly Sunny 0 to 5 mph N 5%
Sunday Night 40°F Mostly Clear 0 mph 1%
Monday 69°F Sunny 0 mph 1%
Monday Night 40°F Mostly Clear 0 mph 1%

Forecast source: National Weather Service (api.weather.gov) for McNab (33.661, -93.832). Updated through the day.

Growing snapshot for McNab

Last spring frost
Mar 26
First fall frost
Nov 6
Growing season
226 days
Hardiness zone
8b

More local growing data for McNab: nearby ZIP 71838 weather · frost dates · planting calendar · Arkansas frost dates

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Climate data from the nearest NOAA station, Hope 3 Ne, Ar (14.2 mi from McNab). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.