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Old Jefferson weather

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The weather map: all three models at once

NWS, American, European side by side around Old Jefferson and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

Old Jefferson, LA is at its warmest in Aug (average highs near 97°F) and coldest in Jan (lows around 45°F), with roughly 56 in of precipitation across the year. Below, compare what NWS, American, European forecast for Old Jefferson 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.

Old Jefferson climate by month

average daytime high and overnight low across a typical year
Jan
63°
45°
Feb
68°
50°
Mar
73°
55°
Apr
78°
60°
May
87°
69°
Jun
91°
74°
Jul
93°
77°
Aug
97°
78°
Sep
89°
72°
Oct
82°
62°
Nov
72°
56°
Dec
65°
48°

Which forecast is most accurate in the US?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
89
/100rank #1
87±1.3°F96±1.2 mph8592% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
81±1.9°F93±2.2 mph4972% 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.

Common questions

What's the weather in Old Jefferson today?
On this page we show what NWS, American, European each forecast for Old Jefferson 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 Old Jefferson today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Old Jefferson 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 Old Jefferson?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Old Jefferson forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Old Jefferson?
August is typically the warmest month in Old Jefferson, with average highs around 97°F.
How cold does Old Jefferson get?
The coldest month in Old Jefferson is January, when overnight lows average about 45°F.
How much rain does Old Jefferson get?
Old Jefferson sees roughly 56 in of precipitation a year, with January usually the wettest month.

Nearby

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