Grainger County, TN Weather Forecast

County weather hub

70°

Sunny

Compare major city weather across Grainger County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Saturday, October 24, 2026

Wind: 0 mph

Saturday

Sunny, with a high near 70.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Grainger County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 1 of 1 mapped cities in Grainger County.

Page Snapshot

Page focus: county weather
Forecast window: Oct 24 to Oct 26, 2026
Latest sync: Oct 20, 2026 10:16 AM EDT
Forecast office: MRX
Source: NOAA / NWS

Next High

70°F

Saturday

Next Low

43°F

Saturday Night

Rain Outlook

Periods mentioning precipitation

Windiest

0 mph

Saturday

Daily Outlook

Today

Oct 24

Sunny

70 °F

/ 43°F

Wind 0 mph

Sun

Oct 25

Sunny

71 °F

/ 43°F

Wind 0 mph

Mon

Oct 26

Mostly Sunny

73 °F

/ 46°F

Wind 0 mph

This Week in Grainger County

Monday looks like the warmest upcoming period in Grainger County at 73 degrees F.

Saturday Night is the coolest period ahead with temperatures near 43 degrees F.

The strongest winds are forecast for Saturday at about 0 mph .

The forecast from Oct 24 through Oct 26 stays mostly dry.

Forecast Details

Last updated: Oct 20, 2026 10:16 AM EDT
Coverage: 3 days
Time zone: America/New_York
Forecast office: MRX
Radar station: KMRX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday Night

Oct 24

43°F

Mostly Clear

0 mph

Mostly clear, with a low around 43.

Sunday

Oct 25

71°F

Sunny

0 mph

Sunny, with a high near 71.

Sunday Night

Oct 25

43°F

Mostly Clear

0 mph

Mostly clear, with a low around 43.

Monday

Oct 26

73°F

Mostly Sunny

0 mph

Mostly sunny, with a high near 73.

Monday Night

Oct 26

46°F

Partly Cloudy

0 mph

Partly cloudy, with a low around 46.

Detailed Forecast

Period	Conditions	Temp	Details
Saturday Oct 24	Sunny	70°F	Sunny, with a high near 70.
Saturday Night Oct 24	Mostly Clear	43°F	Mostly clear, with a low around 43.
Sunday Oct 25	Sunny	71°F	Sunny, with a high near 71.
Sunday Night Oct 25	Mostly Clear	43°F	Mostly clear, with a low around 43.
Monday Oct 26	Mostly Sunny	73°F	Mostly sunny, with a high near 73.
Monday Night Oct 26	Partly Cloudy	46°F	Partly cloudy, with a low around 46.

Major City Forecasts

Live forecast snapshots for major cities across Grainger County.

Coverage

Tracked cities

Coverage

100%

Forecast coverage currently spans 1 of 1 mapped cities in Grainger County.

Largest mapped city population in this region: 1,869.

Region Links

Tennessee weather

Statewide weather overview

United States weather

National weather entry point

Grainger-county-courthouse-tn1 image

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.