Weather WorldCostin, FL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Costin Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  |  | |  |  | | | |  |  |
| Cloudy | Partly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Clear |
| Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Hi: 79°FHi: 26°C Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Hi: 75°FHi: 24°C Lo: 59°FLo: 15°C |
| POP: 40% | POP: 60% | POP: 60% | POP: 30% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 713 PM EDT Fri Oct 30 2026 
Costin Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Costin Weather Map
Costin Quick Facts
Costin Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 752 PM EDT Fri Oct 30 2026
Key Messages
Updated at 748 PM EDT Fri Oct 30 2026- Hazardous boating conditions continue for the offshore waters tonight. Winds and seas will increase across most of the remainder of the area starting Saturday night through Monday.
- Rain returns to the forecast this weekend with the highest chances on Sunday. Isolated thunderstorms are also possible closer to the coast. Another round of rain is expected to arrive mid to late next week.
- Unseasonably warm weather prevails for late October and early ...