Monroe County Weather Forecast
Monroe County weather: 78°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Monroe County is a county in Florida. Monroe County is a county in the United States. It has a population of about 82.000.
Right now it is 78°F (26°C) in Monroe County with overcast. It feels like 83°F. Today runs from 76°F to 85°F. Chance of precipitation is 36%. Sightseeing conditions score 8.7/10 - excellent - go now.
The best time to visit Monroe County is January, February, April and May. The climate is temperate. June, September and October tend to be the least comfortable months. August is the warmest month with average highs near 87°F, while January is the coldest with lows near 67°F.
The closest major airport is Miami International Airport (MIA), about 127 mi away. Nearby highlights include Dry Tortugas National Park, Everglades (UNESCO World Heritage Site), Everglades National Park and Key Largo.
In plain terms. Today is about average for September. The forecast high of 85°F is in line with the 85°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Monroe County today at 9.3/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Monroe County right now
Source: Open-Meteo. Updated 1:59 AM, Sep 21 local time.
See the Monroe County forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Monroe County
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Mon, Sep 21 | 🌧️ Showers | 85° / 76° | 36% · 0,3 in | 13 mph | 8 |
| Tue, Sep 22 | ⛈️ Violent showers | 85° / 75° | 56% · 0,8 in | 16 mph | 8 |
| Wed, Sep 23 | ⛈️ Thunderstorm | 83° / 79° | 71% · 0,7 in | 20 mph | 3 |
| Thu, Sep 24 | 🌦️ Light showers | 83° / 79° | 65% · 0,2 in | 19 mph | 7 |
| Fri, Sep 25 | 🌦️ Light showers | 84° / 82° | 43% · 0,1 in | 10 mph | 7 |
| Sat, Sep 26 | 🌦️ Light showers | 83° / 81° | 50% · 0,3 in | 6 mph | 8 |
| Sun, Sep 27 | 🌧️ Heavy drizzle | 83° / 81° | 51% · 0,4 in | 10 mph | 8 |
| Mon, Sep 28 | 🌦️ Light drizzle | 83° / 82° | 45% · 0,1 in | 11 mph | 7 |
| Tue, Sep 29 | 🌦️ Drizzle | 84° / 82° | 46% · 0,1 in | 11 mph | 7 |
| Wed, Sep 30 | 🌦️ Drizzle | 85° / 83° | 51% · 0,1 in | 10 mph | 8 |
| Thu, Oct 1 | 🌦️ Drizzle | 85° / 83° | 64% · 0,1 in | 17 mph | 7 |
| Fri, Oct 2 | ⛈️ Thunderstorm | 85° / 84° | 61% · 0,2 in | 21 mph | 7 |
| Sat, Oct 3 | ⛈️ Thunderstorm | 84° / 81° | 59% · 1,2 in | 20 mph | 6 |
| Sun, Oct 4 | ⛈️ Thunderstorm | 84° / 82° | 52% · 0,1 in | 16 mph | 7 |
| Mon, Oct 5 | ⛈️ Thunderstorm | 83° / 82° | 55% · 0,4 in | 14 mph | 7 |
| Tue, Oct 6 | ☀️ Clear sky | -- / -- | 65% | -- | — |
Climate in Monroe County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 72° | 67° | 1,3 in | ★★★★☆ |
| February | 72° | 68° | 1,2 in | ★★★★☆ |
| March | 76° | 72° | 2,4 in | ★★★★☆ |
| April | 78° | 74° | 0,9 in | ★★★★★ |
| May | 83° | 80° | 2,3 in | ★★★★☆ |
| June | 85° | 81° | 6,9 in | ★★★☆☆ |
| July | 86° | 82° | 3,1 in | ★★★★☆ |
| August | 87° | 82° | 4,6 in | ★★★☆☆ |
| September | 85° | 81° | 6,7 in | ★★★☆☆ |
| October | 82° | 78° | 5,5 in | ★★★☆☆ |
| November | 78° | 75° | 2,1 in | ★★★★☆ |
| December | 74° | 71° | 3,8 in | ★★★★☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Weather map for Monroe County
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Monroe County
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Monroe County
Go in January, February, April and May. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: June, September and October - expect the least comfortable mix of heat, cold or rain.
Explore Monroe County
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
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 78°F (26°C) with overcast. Humidity is 77% 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 1:59 AM.
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 21, 2026 at 1:59 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





