7-Day Zone Forecast for Coastal Glynn (Text-Only)
NWS Forecast for: Coastal Glynn
Issued by: National Weather Service Jacksonville, FL
Last Update: 802 PM EDT Sun Aug 16 2026




Tonight: Mostly cloudy with a chance of showers and thunderstorms this evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Some thunderstorms may produce gusty winds and heavy rainfall this evening. Lows in the upper 70s. South winds 5 to 10 mph, becoming southwest after midnight. Chance of rain 50 percent.

Monday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. West winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 115.

Monday Night: Mostly cloudy in the evening, then clearing. Lows in the upper 70s. Southwest winds 5 to 10 mph. Heat index values up to 105 early in the evening.

Tuesday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs around 99. West winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 118 in the afternoon.

Tuesday Night: Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 70s. Southwest winds 5 to 10 mph, becoming west after midnight. Chance of rain 20 percent. Heat index values up to 108 early in the evening.

Wednesday And Wednesday Night: Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 90s. Lows in the upper 70s. Chance of rain 30 percent. Heat index values up to 115.

Thursday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 20 percent. Heat index values up to 115.

Thursday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening.

Friday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110.

Friday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent. Heat index values up to 105 early in the evening.

Saturday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110.

Saturday Night: Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.

Sunday: Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105.







Zone Forecast: Coastal Glynn

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