Heat Advisory — Suwannee, FL, Baker, FL, Inland Nassau, FL, Union, FL, Bradford, FL, Gilchrist, FL, Inland Flagler, FL, Eastern Hamilton, FL, Coastal Nassau, FL, Coastal Duval, FL, Eastern Clay, FL, Eastern Alachua, FL, Eastern Putnam, FL, Coastal Flagler, FL, Eastern Marion, FL, Western Hamilton, FL, Trout River, FL, Western Clay, FL, Northeast Coastal St. Johns, FL, Western Alachua, FL, Western Putnam, FL, Central Marion, FL, Northern Columbia, FL, South Central Duval, FL, Southeast Coastal St. Johns, FL, Western Marion, FL, Southeastern Columbia, FL, Western Duval, FL, Northern Inland St. Johns, FL, Southwestern Columbia, FL, Southern Inland St. Johns, FL, Western St. Johns, FL, Echols, GA 7:00 PM Excessive Heat Warning — Suwannee, FL, Baker, FL, Inland Nassau, FL, Union, FL, Bradford, FL, Gilchrist, FL, Inland Flagler, FL, Eastern Hamilton, FL, Coastal Nassau, FL, Coastal Duval, FL, Eastern Clay, FL, Eastern Alachua, FL, Eastern Putnam, FL, Coastal Flagler, FL, Eastern Marion, FL, Western Hamilton, FL, Trout River, FL, Western Clay, FL, Northeast Coastal St. Johns, FL, Western Alachua, FL, Western Putnam, FL, Central Marion, FL, Northern Columbia, FL, South Central Duval, FL, Southeast Coastal St. Johns, FL, Western Marion, FL, Southeastern Columbia, FL, Western Duval, FL, Northern Inland St. Johns, FL, Southwestern Columbia, FL, Southern Inland St. Johns, FL, Western St. Johns, FL, Echols, GA 7:00 PM

Gainesville, Florida

Last updated: 12:39 PM CDT  ·  Refresh
34°C
Feels like 41°
Mostly Clear
▲ 37°  /  ▼ 26°
Wind
9 mph W
Humidity
55%
Dew Point
24°
Pressure
29.91 inHg
Visibility
10 mi
UV Index
9.6
Cloud Cover
23%
Sunrise
6:58 AM
Sunset
8:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Gainesville is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2951 J/kg) — isolated convective development possible. Sunrise: 6:58AM · Sunset: 8:07PM.

Alerts

Heat Advisory
Suwannee, FL, Baker, FL, Inland Nassau, FL, Union, FL, Bradford, FL, Gilchrist, FL, Inland Flagler, FL, Eastern Hamilton, FL, Coastal Nassau, FL, Coastal Duval, FL, Eastern Clay, FL, Eastern Alachua, FL, Eastern Putnam, FL, Coastal Flagler, FL, Eastern Marion, FL, Western Hamilton, FL, Trout River, FL, Western Clay, FL, Northeast Coastal St. Johns, FL, Western Alachua, FL, Western Putnam, FL, Central Marion, FL, Northern Columbia, FL, South Central Duval, FL, Southeast Coastal St. Johns, FL, Western Marion, FL, Southeastern Columbia, FL, Western Duval, FL, Northern Inland St. Johns, FL, Southwestern Columbia, FL, Southern Inland St. Johns, FL, Western St. Johns, FL, Echols, GA
Expires 7:00 PM
Excessive Heat Warning
Suwannee, FL, Baker, FL, Inland Nassau, FL, Union, FL, Bradford, FL, Gilchrist, FL, Inland Flagler, FL, Eastern Hamilton, FL, Coastal Nassau, FL, Coastal Duval, FL, Eastern Clay, FL, Eastern Alachua, FL, Eastern Putnam, FL, Coastal Flagler, FL, Eastern Marion, FL, Western Hamilton, FL, Trout River, FL, Western Clay, FL, Northeast Coastal St. Johns, FL, Western Alachua, FL, Western Putnam, FL, Central Marion, FL, Northern Columbia, FL, South Central Duval, FL, Southeast Coastal St. Johns, FL, Western Marion, FL, Southeastern Columbia, FL, Western Duval, FL, Northern Inland St. Johns, FL, Southwestern Columbia, FL, Southern Inland St. Johns, FL, Western St. Johns, FL, Echols, GA
Expires 7:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
11%
2 PM
36°
25%
3 PM
36°
32%
4 PM
36°
32%
5 PM
36°
32%
6 PM
34°
29%
7 PM
33°
19%
8 PM
32°
20%
9 PM
29°
20%
10 PM
28°
20%
11 PM
28°
18%
12 AM
28°
10%
1 AM
27°
5%
2 AM
27°
19%
3 AM
27°
19%
4 AM
27°
19%
5 AM
26°
23%
6 AM
26°
23%
7 AM
26°
37%
8 AM
27°
38%
9 AM
29°
38%
10 AM
31°
39%
11 AM
31°
39%
12 PM
32°
44%
7-Day Forecast
Today
37° 26°
Mostly Clear with a 32% chance of rain.
Tue
37° 26°
Rain, 63% chance.
Wed
38° 23°
Mostly Cloudy with a 55% chance of rain.
Thu
34° 23°
Partly Cloudy with a 67% chance of rain.
Fri
36° 24°
Drizzle, 51% chance.
Sat
32° 23°
Heavy Rain, 90% chance.
Sun
32° 22°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 11% 9 mph W 55%
2 PM 36° Mostly Clear 25% 8 mph W 50%
3 PM 36° Mostly Clear 32% 9 mph WSW 52%
4 PM 36° Mostly Clear 32% 9 mph WSW 56%
5 PM 36° Mostly Clear 32% 9 mph WSW 59%
6 PM 34° Partly Cloudy 29% 9 mph WSW 62%
7 PM 33° Partly Cloudy 19% 9 mph WSW 66%
8 PM 32° Partly Cloudy 20% 8 mph WSW 71%
9 PM 29° Partly Cloudy 20% 8 mph WSW 76%
10 PM 28° Mostly Cloudy 20% 7 mph WSW 80%
11 PM 28° Mostly Cloudy 18% 6 mph WSW 82%
12 AM 28° Mostly Cloudy 10% 6 mph WSW 81%
1 AM 27° Mostly Cloudy 5% 6 mph WSW 81%
2 AM 27° Mostly Cloudy 19% 6 mph WSW 82%
3 AM 27° Partly Cloudy 19% 5 mph WSW 84%
4 AM 27° Partly Cloudy 19% 5 mph WSW 85%
5 AM 26° Partly Cloudy 23% 5 mph WSW 86%
6 AM 26° Mostly Clear 23% 5 mph WSW 87%
7 AM 26° Mostly Clear 37% 5 mph WSW 87%
8 AM 27° Mostly Clear 38% 5 mph W 83%
9 AM 29° Partly Cloudy 38% 6 mph W 77%
10 AM 31° Partly Cloudy 39% 6 mph W 71%
11 AM 31° Partly Cloudy 39% 7 mph W 67%
12 PM 32° Partly Cloudy 44% 7 mph W 64%
15-Day Forecast
Today
8/17
Mostly Clear
32%
26°
37°
Tue
8/18
Rain
63%
26°
37°
Wed
8/19
Mostly Cloudy
55%
23°
38°
Thu
8/20
Partly Cloudy
67%
23°
34°
Fri
8/21
Drizzle
51%
24°
36°
Sat
8/22
Heavy Rain
90%
23°
32°
Sun
8/23
Rain
64%
22°
32°
Mon
8/24
Rain
63%
22°
34°
Tue
8/25
Drizzle
44%
23°
35°
Wed
8/26
Drizzle
60%
24°
35°
Thu
8/27
Drizzle
60%
23°
36°
Fri
8/28
Drizzle
60%
24°
34°
Sat
8/29
Drizzle
60%
24°
34°
Sun
8/30
Drizzle
60%
23°
33°
Mon
8/31
Drizzle
60%
23°
34°
53
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
53 AQI 10.0 µg/m³
O3
Ground-level ozone
28 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 53 Moderate 28 53
Wed 52 Moderate 30 52
Thu 52 Moderate 33 52
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Mon Aug 17, 16:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3576 J/kg
MLCAPE3795 J/kg
MUCAPE4515 J/kg
SBCIN0 J/kg
MLCIN-5 J/kg
Lifted Index-7.2
Kinematics
0–6 km Shear7 kt
0–1 km Shear5 kt
Eff. Shear14 kt
0–1 km SRH-5
0–3 km SRH-5
Eff. SRH-5
Storm Motion225° @ 15 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.3
Thermo & Levels
PWAT2.37 in
0–3 km LR7.6 °C/km
700–500 LR5.7 °C/km
Total Totals47.3
LCL878 hPa
LFC1013 hPa
EL125 hPa
Freezing Lvl16,440 ft