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Now · 4:59 PM

Forsan Weather & Hourly Forecast

United States · Texas · 79733

Strong thunderstorm
97°F
Strong thunderstorm
Feels like: 93°F
💧 Humidity 27% 🌡 Pressure 29.91 inHg 💨 Wind 10 mph 👁 Visibility 34.8 mi Clouds 25% ☀️ UV index 2.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Forsan

Today
Strong thunderstorm · 5:00 PM Strong thunderstorm
97° 💧 0.000 in 💨 10 mph H 27%29.91 inHg
Mostly sunny · 8:00 PM Mostly sunny
92° 💧 0.003 in 💨 10 mph H 31%29.91 inHg
Clear night · 11:00 PM Clear night
87° 💧 0.000 in 💨 8 mph H 41%30.00 inHg
Tomorrow
Clear night · 2:00 AM Clear night
83° 💧 None 💨 12 mph H 49%30.00 inHg
Clear night · 5:00 AM Clear night
79° 💧 None 💨 12 mph H 57%29.97 inHg
Partly cloudy · 8:00 AM Partly cloudy
76° 💧 None 💨 10 mph H 65%30.00 inHg
Sunny · 11:00 AM Sunny
87° 💧 None 💨 8 mph H 42%30.00 inHg
Mostly sunny · 2:00 PM Mostly sunny
96° 💧 0.000 in 💨 6 mph H 29%29.91 inHg
Mostly cloudy · 5:00 PM Mostly cloudy
97° 💧 0.014 in 💨 10 mph H 27%29.83 inHg
Light rain · 8:00 PM Light rain
83° 💧 0.013 in 💨 10 mph H 53%29.85 inHg
Overcast night · 11:00 PM Overcast night
80° 💧 None 💨 8 mph H 63%29.94 inHg
Friday
Mostly cloudy night · 2:00 AM Mostly cloudy night
79° 💧 None 💨 7 mph H 67%29.91 inHg
Mostly clear night · 5:00 AM Mostly clear night
79° 💧 None 💨 10 mph H 59%29.88 inHg
Sunny · 8:00 AM Sunny
78° 💧 None 💨 9 mph H 61%29.88 inHg
Sunny · 11:00 AM Sunny
89° 💧 None 💨 13 mph H 43%29.88 inHg
Sunny · 2:00 PM Sunny
97° 💧 0.001 in 💨 11 mph H 30%29.80 inHg

In Forsan and, more broadly, across the state of Texas: As the afternoon progresses into the evening, temperatures will remain very hot, ranging from 87 to 96 degrees Fahrenheit. Expect a mix of sun and clouds with some brief periods of shade. There is a slight chance of rain, with some areas potentially seeing about 0.01 inches of accumulation, and the highest probability of rain being around 31%. Winds will be moderate from the southeast at speeds up to 12 mph, with occasional gusts reaching 21 mph. Overall, it will stay warm and relatively breezy throughout this time, with a small chance of brief showers as the evening moves on.

15-Day Weather Outlook for Forsan

TomorrowTomorrow Mostly sunny Mostly sunny 97°/76° 💧 None 💨 12 mph
Friday, Sep 11Fri Sep 11 Light thunderstorms Light thunderstorms 99°/78° 💧 None 💨 17 mph
Saturday, Sep 12Sat Sep 12 Mostly sunny Mostly sunny 102°/79° 💧 0.114 in 💨 15 mph
Sunday, Sep 13Sun Sep 13 Mostly sunny Mostly sunny 98°/78° 💧 0.001 in 💨 15 mph
Monday, Sep 14Mon Sep 14 Mostly sunny Mostly sunny 98°/76° 💧 0.001 in 💨 18 mph
Tuesday, Sep 15Tue Sep 15 Mostly sunny Mostly sunny 93°/76° 💧 0.000 in 💨 17 mph
Wednesday, Sep 16Wed Sep 16 Mostly sunny Mostly sunny 95°/77° 💧 0.002 in 💨 14 mph
Thursday, Sep 17Thu Sep 17 Mostly sunny Mostly sunny 94°/78° 💧 0.002 in 💨 11 mph
Friday, Sep 18Fri Sep 18 Light rain Light rain 95°/76° 💧 0.005 in 💨 12 mph
Saturday, Sep 19Sat Sep 19 Light rain Light rain 89°/74° 💧 0.052 in 💨 9 mph
Sunday, Sep 20Sun Sep 20 Partly cloudy Partly cloudy 90°/73° 💧 0.058 in 💨 11 mph
Monday, Sep 21Mon Sep 21 Light rain Light rain 90°/74° 💧 0.099 in 💨 13 mph
Tuesday, Sep 22Tue Sep 22 Light rain Light rain 91°/68° 💧 0.026 in 💨 7 mph
Wednesday, Sep 23Wed Sep 23 Overcast Overcast 80°/69° 💧 0.177 in 💨 12 mph
Thursday, Sep 24Thu Sep 24 Moderate rain Moderate rain 79°/64° 💧 0.343 in 💨 16 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Forsan

Vertical axis: °F · Color based on temperature
Strong thunderstorm at 5:00 PM
97° Today 5:00 PM
Mostly sunny at 6:00 PM
96° 6:00 PM
Sunny at 7:00 PM
94° 7:00 PM
Mostly sunny at 8:00 PM
92° 8:00 PM
Partly cloudy night at 9:00 PM
90° Today 9:00 PM
Mostly clear night at 10:00 PM
89° 10:00 PM
Clear night at 11:00 PM
87° 11:00 PM
Clear night at 12:00 AM
86° 12:00 AM
Clear night at 1:00 AM
85° Tomorrow 1:00 AM
Clear night at 2:00 AM
83° 2:00 AM
Clear night at 3:00 AM
81° 3:00 AM
Clear night at 4:00 AM
80° 4:00 AM
Clear night at 5:00 AM
79° Tomorrow 5:00 AM
Clear night at 6:00 AM
77° 6:00 AM
Partly cloudy night at 7:00 AM
76° 7:00 AM
Partly cloudy at 8:00 AM
76° 8:00 AM
Partly cloudy at 9:00 AM
78° Tomorrow 9:00 AM
Mostly sunny at 10:00 AM
82° 10:00 AM
Sunny at 11:00 AM
87° 11:00 AM
Sunny at 12:00 PM
91° 12:00 PM
Sunny at 1:00 PM
94° Tomorrow 1:00 PM
Mostly sunny at 2:00 PM
96° 2:00 PM
Mostly sunny at 3:00 PM
97° 3:00 PM
Partly cloudy at 4:00 PM
97° 4:00 PM
Mostly cloudy at 5:00 PM
97° Tomorrow 5:00 PM
Overcast at 6:00 PM
96° 6:00 PM
Light thunderstorms at 7:00 PM
84° 7:00 PM
Light rain at 8:00 PM
83° 8:00 PM
Mostly cloudy night at 9:00 PM
82° Tomorrow 9:00 PM
Overcast night at 10:00 PM
81° 10:00 PM
Overcast night at 11:00 PM
80° 11:00 PM
Overcast night at 12:00 AM
79° 12:00 AM
Overcast night at 1:00 AM
79° Friday 1:00 AM
Mostly cloudy night at 2:00 AM
79° 2:00 AM
Mostly clear night at 3:00 AM
78° 3:00 AM
Clear night at 4:00 AM
79° 4:00 AM
Mostly clear night at 5:00 AM
79° Friday 5:00 AM
Mostly clear night at 6:00 AM
79° 6:00 AM
Clear night at 7:00 AM
78° 7:00 AM
Sunny at 8:00 AM
78° 8:00 AM
Sunny at 9:00 AM
81° Friday 9:00 AM
Sunny at 10:00 AM
84° 10:00 AM
Sunny at 11:00 AM
89° 11:00 AM
Sunny at 12:00 PM
92° 12:00 PM
Strong thunderstorm at 1:00 PM
95° Friday 1:00 PM
Sunny at 2:00 PM
97° 2:00 PM
Sunny at 3:00 PM
99° 3:00 PM
Mostly sunny at 4:00 PM
99° 4:00 PM
Mostly sunny at 5:00 PM
98° Friday 5:00 PM
Mostly sunny at 6:00 PM
97° 6:00 PM
Mostly sunny at 7:00 PM
95° 7:00 PM
Mostly clear night at 8:00 PM
93° 8:00 PM
Mostly clear night at 9:00 PM
92° Friday 9:00 PM
Clear night at 10:00 PM
90° 10:00 PM
Clear night at 11:00 PM
89° 11:00 PM
Clear night at 12:00 AM
88° 12:00 AM
Clear night at 1:00 AM
86° Saturday 1:00 AM
Clear night at 2:00 AM
85° 2:00 AM
Clear night at 3:00 AM
83° 3:00 AM
Clear night at 4:00 AM
82° 4:00 AM
Clear night at 5:00 AM
81° Saturday 5:00 AM
Clear night at 6:00 AM
80° 6:00 AM
Clear night at 7:00 AM
79° 7:00 AM
Sunny at 10:00 AM
85° 10:00 AM
Mostly sunny at 1:00 PM
98° Saturday 1:00 PM
Mostly sunny at 4:00 PM
102° 4:00 PM
Mostly sunny at 7:00 PM
98° 7:00 PM
Mostly cloudy night at 10:00 PM
92° 10:00 PM
Clear night at 1:00 AM
86° Sunday 1:00 AM
Clear night at 4:00 AM
83° 4:00 AM
Clear night at 7:00 AM
78° 7:00 AM
Sunny at 10:00 AM
84° 10:00 AM
Mostly sunny at 1:00 PM
94° Sunday 1:00 PM
Mostly sunny at 4:00 PM
97° 4:00 PM
Mostly sunny at 7:00 PM
94° 7:00 PM
Mostly clear night at 10:00 PM
89° 10:00 PM
Clear night at 1:00 AM
85° Monday 1:00 AM
Clear night at 4:00 AM
80° 4:00 AM
Clear night at 7:00 AM
76° 7:00 AM
Sunny at 10:00 AM
81° 10:00 AM
Sunny at 1:00 PM
93° Monday 1:00 PM
Sunny at 4:00 PM
98° 4:00 PM
Mostly sunny at 7:00 PM
93° 7:00 PM
Clear night at 10:00 PM
88° 10:00 PM
Clear night at 1:00 AM
85° Tuesday 1:00 AM
Clear night at 4:00 AM
80° 4:00 AM
Clear night at 7:00 AM
76° 7:00 AM
Mostly sunny at 1:00 PM
93° 1:00 PM
Overcast at 7:00 PM
95° Tuesday 7:00 PM
Overcast night at 1:00 AM
85° 1:00 AM
Clear night at 7:00 AM
77° 7:00 AM
Mostly sunny at 1:00 PM
92° 1:00 PM
Mostly sunny at 7:00 PM
94° Wednesday 7:00 PM
Clear night at 1:00 AM
85° 1:00 AM
Clear night at 7:00 AM
78° 7:00 AM
Mostly sunny at 1:00 PM
94° 1:00 PM
Sunny at 7:00 PM
95° Thursday 7:00 PM
Mostly cloudy night at 1:00 AM
85° 1:00 AM
Mostly clear night at 7:00 AM
76° 7:00 AM
Light rain at 1:00 PM
89° 1:00 PM
Light rain at 7:00 PM
89° Friday 7:00 PM
Clear night at 1:00 AM
80° 1:00 AM
Clear night at 7:00 AM
74° 7:00 AM
Light rain at 1:00 PM
89° 1:00 PM
Partly cloudy at 7:00 PM
90° Saturday 7:00 PM
Mostly clear night at 1:00 AM
76° 1:00 AM
Mostly clear night at 7:00 AM
73° 7:00 AM
Mostly sunny at 1:00 PM
89° 1:00 PM
Mostly cloudy at 7:00 PM
81° Sunday 7:00 PM
Light rain at 1:00 AM
75° 1:00 AM
Clear night at 7:00 AM
74° 7:00 AM
Sunny at 1:00 PM
90° 1:00 PM
Partly cloudy at 7:00 PM
91° Monday 7:00 PM
Mostly clear night at 1:00 AM
72° 1:00 AM
Mostly cloudy night at 7:00 AM
68° 7:00 AM
Light rain at 1:00 PM
83° 1:00 PM
Partly cloudy at 7:00 PM
80° Tuesday 7:00 PM
Overcast night at 1:00 AM
72° 1:00 AM
Mostly cloudy night at 7:00 AM
69° 7:00 AM
Overcast at 1:00 PM
79° 1:00 PM
Overcast at 7:00 PM
79° Wednesday 7:00 PM
Light rain at 1:00 AM
67° 1:00 AM
Moderate rain at 7:00 AM
64° 7:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Forsan

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 5:00 PM
PM2.5 Fine particles Good 1,1µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 2,0µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 63,5µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,3µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Forsan

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 9,4Very high 🙂Fair
Tomorrow UV 9,8Very high 🙂Fair
Friday UV 9,9Very high 🙂Fair
Saturday UV 9,6Very high 🙂Fair
Sunday UV 9,0Very high 🙂Fair
Monday UV 9,0Very high Unavailable
Tuesday UV 9,0Very high Unavailable
Hourly UV index today
5:00 PMUV 1,7 6:00 PMUV 1,1 7:00 PMUV 0,3
Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

High heat

Stay hydrated and avoid intense exercise during the hottest part of the day. Dry air can increase hydration needs.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Forsan

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 5:00 PM 6:00 PM 7:00 PM 8:00 PM Today 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tomorrow 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tomorrow 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tomorrow 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tomorrow 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tomorrow 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tomorrow 9:00 PM 10:00 PM 11:00 PM 12:00 AM Friday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Friday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Friday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Friday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Friday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Friday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Saturday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Saturday 5:00 AM 6:00 AM 7:00 AM 10:00 AM Saturday 1:00 PM 4:00 PM 7:00 PM 10:00 PM Sunday 1:00 AM 4:00 AM 7:00 AM 10:00 AM Sunday 1:00 PM 4:00 PM 7:00 PM 10:00 PM Monday 1:00 AM 4:00 AM 7:00 AM 10:00 AM Monday 1:00 PM 4:00 PM 7:00 PM 10:00 PM Tuesday 1:00 AM 4:00 AM 7:00 AM 1:00 PM Tuesday 7:00 PM 1:00 AM 7:00 AM 1:00 PM Wednesday 7:00 PM 1:00 AM 7:00 AM 1:00 PM Thursday 7:00 PM 1:00 AM 7:00 AM 1:00 PM Friday 7:00 PM 1:00 AM 7:00 AM 1:00 PM Saturday 7:00 PM 1:00 AM 7:00 AM 1:00 PM Sunday 7:00 PM 1:00 AM 7:00 AM 1:00 PM Monday 7:00 PM 1:00 AM 7:00 AM 1:00 PM Tuesday 7:00 PM 1:00 AM 7:00 AM 1:00 PM Wednesday 7:00 PM 1:00 AM 7:00 AM
Sustained wind Max gusts
NIGHT SKY · FORSAN, TEXAS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

100/100Best-hour score
BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 9:22 PM–6:03 AM
Cloud cover 0% Real hourly forecast for the best viewing hour.
Moonlight 2% New Moon · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 68° high at the best hour.
Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min79%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Forsan were last refreshed today at 4:59 PM. The current forecast period extends through 11/09/2026 at 2:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.