Monroe County Weather Forecast
Monroe County weather: 80°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Risk assessment for Monroe County
Derived from the current forecast window - not an official warning.
Peak gusts of 20 mph and 3 thunderstorm days in the next 16 days.
Wettest single day forecast at 0,6 in, 2,6 in across the window. Flash flooding risk rises sharply above 50 mm in a day.
16-day forecast for Monroe County
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Fri, Sep 18 | ⛈️ Violent showers | 86° / 77° | 31% · 0,5 in | 10 mph | 8 |
| Sat, Sep 19 | 🌧️ Showers | 86° / 78° | 56% · 0,3 in | 16 mph | 6 |
| Sun, Sep 20 | 🌦️ Light showers | 85° / 83° | 63% · 0,1 in | 11 mph | 8 |
| Mon, Sep 21 | ⛈️ Thunderstorm | 85° / 82° | 68% · 0,1 in | 11 mph | 8 |
| Tue, Sep 22 | ⛈️ Thunderstorm | 85° / 84° | 71% · 0,1 in | 12 mph | 8 |
| Wed, Sep 23 | 🌦️ Light showers | 86° / 82° | 64% · 0,6 in | 17 mph | 8 |
| Thu, Sep 24 | 🌦️ Light showers | 83° / 81° | 66% · 0,5 in | 19 mph | 8 |
| Fri, Sep 25 | 🌦️ Light drizzle | 83° / 82° | 56% · 0,1 in | 12 mph | 8 |
| Sat, Sep 26 | ☁️ Overcast | 84° / 83° | 53% | 8 mph | 8 |
| Sun, Sep 27 | 🌦️ Drizzle | 83° / 82° | 53% · 0,1 in | 7 mph | 8 |
| Mon, Sep 28 | 🌦️ Light drizzle | 83° / 82° | 63% · 0,0 in | 6 mph | 8 |
| Tue, Sep 29 | ☁️ Overcast | 83° / 82° | 71% | 11 mph | 7 |
| Wed, Sep 30 | ⛈️ Thunderstorm | 84° / 82° | 68% · 0,2 in | 11 mph | 7 |
| Thu, Oct 1 | 🌦️ Light drizzle | 85° / 83° | 74% · 0,0 in | 17 mph | 8 |
| Fri, Oct 2 | 🌦️ Light drizzle | 85° / 84° | 61% · 0,0 in | 17 mph | 8 |
| Sat, Oct 3 | ☀️ Clear sky | -- / -- | 58% | -- | — |
What this means for Monroe County
Today is about average for September. The forecast high of 86°F is in line with the 85°F typical for this month.
A 31% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel. Around 0,5 in is forecast, which is enough to soak trails and slow traffic.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 47°F.
See the Monroe County forecast by time range
Monroe County weather - more answers
Explore Monroe County
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Monroe County?
Monroe County is a county in Florida. Its coordinates are 24.5551, -81.78. It lies in North America.
What is the weather like in Monroe County right now?
It is currently 80°F (27°C) with clear. Humidity is 75% and wind is 7 mph.
When is the best time to visit Monroe County?
January, February, April and May offer the most comfortable conditions in Monroe County, which has a temperate climate. June, September and October are usually the hardest months for outdoor plans.
What time zone is Monroe County in?
Monroe County observes America/New_York (UTC-04:00). The local time is 7:42 PM.
How many people live in Monroe County?
Monroe County has a population of approximately 82.000.
What is the nearest airport to Monroe County?
The closest airports are Miami International Airport (MIA), 127 mi away and Orlando International Airport (MCO), 269 mi away.
What are the top things to do in Monroe County?
Popular options include Dry Tortugas National Park, Everglades (UNESCO World Heritage Site), Everglades National Park, Key Largo, Biscayne National Park and South Beach.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 18, 2026 at 7:42 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
