Treasure Island, Florida Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Treasure Island weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Showers30%0.18″91°77°—
- MondayJul 6Heavy Rain38%1.4″85°75°-6°
- TuesdayJul 7Thunderstorm19%—92°81°+7°
- WednesdayJul 8Overcast——92°84°0°
- ThursdayJul 9Light Drizzle——94°82°+2°
- FridayJul 10Light Drizzle11%—96°81°+2°
- SaturdayJul 11Overcast20%—93°79°-3°
AQI 28 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:41 PM
- Moonset
- 11:46 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Treasure Island at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: February 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Treasure Island
- Sun91°77°30%
- Mon85°75°38%
- Tue92°81°19%
- Wed92°84°6%
- Thu94°82°5%
- Fri96°81°11%
- Sat93°79°20%
- Sun89°79°16%
- Mon92°83°25%
- Tue92°81°25%
- Wed89°81°22%
- Thu91°79°37%
- Fri95°79°39%
- Sat87°82°42%
- Sun92°80°42%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Treasure Island
SPC includes Treasure Island in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Microseason · July 1–5
Cicadas claim the scorching afternoon
Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| April | tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | — | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
The year in Treasure Island tops out in August (~82°F) and dips lowest in January (~61°F), with August wettest at 5.8 inches and November driest at 1.5 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 61° | 2.8″ | 15 |
| February | 62° | 2.7″ | 13 |
| March | 66° | 2.8″ | 13 |
| April | 71° | 2.2″ | 11 |
| May | 77° | 1.8″ | 14 |
| June | 81° | 4.7″ | 23 |
| July | 82° | 5.4″ | 28 |
| August | 82° | 5.8″ | 29 |
| September | 80° | 4.8″ | 25 |
| October | 76° | 2.2″ | 15 |
| November | 68° | 1.5″ | 13 |
| December | 64° | 2.3″ | 14 |
Regional context
Per NOAA NCEI 1991-2020 normals, Treasure Island runs from a 61°F January mean to 82°F in July, a 21°F seasonal spread, with near 39 inches of precipitation across about 212 wet days.
Summer convection drives Treasure Island's precipitation: August logs 5.8 inches on 28.8 rainy days, against November's 1.5 inches on 13.1 — warm-season storms carry Treasure Island's moisture. It is a warm-season-wet pattern Treasure Island shares with places like Madeira Beach, FL, South Pasadena, FL and Bear Creek, FL.
With a coldest-month mean of 61°F, Treasure Island stays mostly frost-free and grows year-round. The August peak near 82°F is Treasure Island's real limit, pushing cool-season vegetables to spring and fall. Within Treasure Island, low or inland lots lose 3-5°F overnight versus Treasure Island's coastal ground.
Similar climates: Madeira Beach, FL, South Pasadena, FL, Bear Creek, FL, Bay Pines, FL, West Lealman, FL.
Frequently asked
- When does it freeze in Treasure Island?
- In Treasure Island, expect the last spring frost near mid-February; Treasure Island's first autumn frost comes around mid-December.
- What is the rainy season in Treasure Island?
- August is the wettest month in Treasure Island, about 5.8 inches on average; the year totals roughly 39 inches.
- What is the warmest month in Treasure Island?
- August is Treasure Island's warmest month, averaging about 82°F.
- What is the coldest month in Treasure Island?
- Treasure Island bottoms out in January, with a mean near 61°F.
- When can I start a vegetable garden in Treasure Island?
- Treasure Island's last frost (mid-February) cues hardy greens; in Treasure Island, hold heat-lovers two weeks past.
- How many rainy days does Treasure Island get?
- Treasure Island averages about 212 days with measurable rain or snow each year.
- What hardiness zone is Treasure Island?
- Treasure Island's hardiness zone tracks its winter low; with January near 61°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Treasure Island?
- Treasure Island's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Treasure Island?
- See this week's day-by-day rain chances for Treasure Island in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Treasure Island?
- Current conditions for Treasure Island and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Treasure Island forecast updated?
- The Treasure Island forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Treasure Island?
- Today's sunrise and sunset times for Treasure Island are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Treasure Island?
- The next few days in Treasure Island's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Treasure Island, Florida occupies a humid subtropical zone, with January means near 61°F and July around 82°F — a 21°F swing.
Rain and snow bring Treasure Island roughly 39 inches a year across approximately 212 measurable-precipitation days.
The 21°F gap between Treasure Island's summer and winter, at 27.8°N, shapes Treasure Island's frost calendar.
ZIP codes in Treasure Island
- 33706
- 33740