Skip to main content
Every US forecast, compared
checkweather.io
CheckWeather USGrapevine
Forecast confidence: High · models disagree by 2°F

Grapevine weather

Loading live data…

Mostly clear,much the same tomorrow

NWS, the American and the European model agree on a high near 99° in Grapevine today. Tomorrow looks mostly clear around 99°, with a 18% chance of rain.

99°79°
99°80°
100°80°
102°84°
100°83°
101°81°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaysplit ±6°
NWSNational Blend (NBM)
99°
Mostly clear
Today 99°·Low 79°·Rain 1%
AmericanNOAA GFS
100°
Mostly clear
Today 100°·Low 80°·Rain 1%
EuropeanECMWF
98°
Clear
Today 98°·Low 79°·Rain 12%

The weather map: all three models at once

NWS, American, European side by side around Grapevine and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Mostly clear
99° 79°
models agree
Tomorrow
Mostly clear
99° 80°
models agree
Mon
Clear
100° 80°
models agree
Tue
Mostly clear
102° 84°
models agree
Wed
Clear
100° 83°
models agree
Thu
Mostly clear
101° 81°
±6°
Fri
Mostly clear
101° 83°
±4°
Sat
Mostly clear
101° 83°
±5°
Sun
Light drizzle
99° 81°
±5°
Mon
Light drizzle
94° 76°
±14°
Tue
Light drizzle
87° 74°
±14°
Wed
Cloudy
88° 72°
±10°
Thu
Clear
90° 70°
±8°
Fri
Clear
94° 75°
±6°

Grapevine, TX is at its warmest in Aug (average highs near 101°F) and coldest in Jan (lows around 37°F), with roughly 49 in of precipitation across the year. Below, compare what NWS, American, European forecast for Grapevine right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Grapevine climate by month

average daytime high and overnight low across a typical year
Jan
56°
37°
Feb
64°
44°
Mar
70°
51°
Apr
75°
57°
May
84°
66°
Jun
92°
73°
Jul
95°
77°
Aug
101°
80°
Sep
91°
72°
Oct
83°
62°
Nov
68°
50°
Dec
61°
44°

Which forecast is most accurate in Grapevine?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
90
/100rank #1
86±1.4°F98±0.6 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
87
/100rank #2
85±1.5°F88±3.7 mph8994% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°98° to 100°±11%1% to 12% chance
Tomorrow±1°99° to 99°±17%1% to 18% chance
Mon±2°99° to 101°±19%1% to 20% chance
Tue±3°100° to 103°±12%2% to 14% chance
Wed±3°99° to 102°±5%2% to 7% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Grapevine

today, local time
Sunrise
07:05
Sunset
19:48
Daylight
12h 43m

Common questions

What's the weather in Grapevine today?
On this page we show what NWS, American, European each forecast for Grapevine today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Grapevine today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Grapevine and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Grapevine?
Over the last 30 days, the European model has been the most accurate for Grapevine (CheckWeather Score 90/100), ahead of the American at 87. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Grapevine?
August is typically the warmest month in Grapevine, with average highs around 101°F.
How cold does Grapevine get?
The coldest month in Grapevine is January, when overnight lows average about 37°F.
How much rain does Grapevine get?
Grapevine sees roughly 49 in of precipitation a year, with May usually the wettest month.

Nearby

More US weather