Observed 6:25 AM EDT at KCHA
Chattanooga, TN weather
Clear and 50°10°.
Today: low 46°8° (likely 43°6° to 50°10°), high 75°24° (likely 73°23° to 75°24°).
Now 50°10°
Clear
- Wind
- Calm
- Up to 5 mph8 km/h through 7 PM
- Dew point
- 45°7°
- Comfortable
- UV index
- 0Low
- Moderate 11 AM–4 PM · peak 5
- Air quality
- 54Moderate
- Main pollutant: PM2.5 (fine particles)
- Pressure
- 30.22 inHg1023 hPa
- Rising slowly · +0.03 inHg+1.0 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
This morningUp to 59°15° by 11 AM · Clear
This afternoonUp to 75°24° by 5 PM · Clear
TonightDown to 48°9° by 5 AM · Clear
Tomorrow morningUp to 60°16° by 11 AM · Clear
Tomorrow afternoonUp to 72°22° by 4 PM · Partly cloudy
Tomorrow nightDown to 48°9° by 4 AM · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 7a | Clear | 47°8° (likely 43°6° to 51°11°) | 44°7° | 0% | 5 mph8 km/h from NE, gusts 9 mph15 km/h | 96% | 1% | 0 |
| Fri 8a | Sunny | 46°8° (likely 43°6° to 51°11°) | 43°6° | 0% | 5 mph8 km/h from NE, gusts 11 mph17 km/h | 96% | 1% | 0 |
| Fri 9a | Sunny | 49°9° (likely 46°8° to 54°12°) | 47°8° | 0% | 5 mph8 km/h from NE, gusts 11 mph18 km/h | 89% | 0% | 1 |
| Fri 10a | Sunny | 55°13° (likely 54°12° to 59°15°) | 55°13° | 0% | 5 mph8 km/h from NE, gusts 14 mph22 km/h | 72% | 1% | 2 |
| Fri 11a | Sunny | 59°15° (likely 59°15° to 62°17°) | 59°15° | 0% | 5 mph8 km/h from NE, gusts 9 mph15 km/h | 62% | 0% | 4 |
| Fri 12p | Sunny | 64°18° (likely 64°18° to 66°19°) | 64°18° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 50% | 0% | 5 |
| Fri 1p | Sunny | 68°20° (likely 68°20° to 69°21°) | 68°20° | 0% | 0 mph0 km/h, gusts 8 mph13 km/h | 44% | 0% | 5 |
| Fri 2p | Sunny | 71°22° (likely 71°22° to 71°22°) | 71°22° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 39% | 0% | 4 |
| Fri 3p | Sunny | 73°23° (likely 72°22° to 73°23°) | 73°23° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 35% | 0% | 3 |
| Fri 4p | Sunny | 74°23° (likely 73°23° to 74°23°) | 74°23° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 33% | 0% | 1 |
| Fri 5p | Sunny | 75°24° (likely 73°23° to 75°24°) | 75°24° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 32% | 0% | 0 |
| Fri 6p | Sunny | 72°22° (likely 70°21° to 72°22°) | 72°22° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 35% | 0% | 0 |
| Fri 7p | Clear | 68°20° (likely 66°19° to 68°20°) | 68°20° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 42% | 0% | 0 |
| Fri 8p | Clear | 65°18° (likely 62°17° to 65°18°) | 65°18° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 48% | 0% | 0 |
| Fri 9p | Clear | 60°16° (likely 59°15° to 61°16°) | 60°16° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 58% | 0% | 0 |
| Fri 10p | Clear | 58°14° (likely 57°14° to 60°16°) | 58°14° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 64% | 0% | 0 |
| Fri 11p | Clear | 56°13° (likely 55°13° to 58°14°) | 56°13° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 72% | 5% | 0 |
| Sat 12a | Clear | 54°12° (likely 53°12° to 57°14°) | 54°12° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 77% | 1% | 0 |
| Sat 1a | Clear | 52°11° (likely 52°11° to 56°13°) | 52°11° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 80% | 0% | 0 |
| Sat 2a | Clear | 51°11° (likely 51°11° to 55°13°) | 51°11° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 83% | 0% | 0 |
| Sat 3a | Clear | 51°11° (likely 50°10° to 54°12°) | 51°11° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 83% | 1% | 0 |
| Sat 4a | Clear | 50°10° (likely 49°9° to 53°12°) | 50°10° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 86% | 0% | 0 |
| Sat 5a | Clear | 48°9° (likely 48°9° to 53°12°) | 48°9° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 89% | 0% | 0 |
| Sat 6a | Clear | 47°8° (likely 47°8° to 52°11°) | 47°8° | 0% | 0 mph0 km/h, gusts 1 mph2 km/h | 93% | 0% | 0 |
| Sat 7a | Clear | 47°8° (likely 46°8° to 51°11°) | 47°8° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 93% | 0% | 0 |
| Sat 8a | Sunny | 46°8° (likely 46°8° to 51°11°) | 46°8° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 96% | 0% | 0 |
| Sat 9a | Sunny | 49°9° (likely 48°9° to 54°12°) | 49°9° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 89% | 1% | 0 |
| Sat 10a | Sunny | 55°13° (likely 53°12° to 58°14°) | 55°13° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 74% | 0% | 1 |
| Sat 11a | Sunny | 60°16° (likely 60°16° to 63°17°) | 60°16° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 62% | 0% | 3 |
| Sat 12p | Sunny | 63°17° (likely 63°17° to 66°19°) | 63°17° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 56% | 0% | 4 |
| Sat 1p | Sunny | 67°19° (likely 67°19° to 68°20°) | 67°19° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 49% | 0% | 5 |
| Sat 2p | Sunny | 70°21° (likely 69°21° to 70°21°) | 70°21° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 42% | 40% | 5 |
| Sat 3p | Sunny | 71°22° (likely 71°22° to 72°22°) | 71°22° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 39% | 40% | 5 |
| Sat 4p | Sunny | 72°22° (likely 72°22° to 73°23°) | 72°22° | 0% | 5 mph8 km/h from NE, gusts 7 mph11 km/h | 37% | 41% | 4 |
| Sat 5p | Sunny | 71°22° (likely 71°22° to 73°23°) | 71°22° | 0% | 5 mph8 km/h from NE, gusts 7 mph12 km/h | 36% | 34% | 2 |
| Sat 6p | Sunny | 70°21° (likely 69°21° to 71°22°) | 70°21° | 0% | 5 mph8 km/h from NE, gusts 7 mph12 km/h | 39% | 2% | 1 |
| Sat 7p | Clear | 66°19° (likely 65°18° to 66°19°) | 66°19° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 47% | 4% | 0 |
| Sat 8p | Clear | 60°16° (likely 60°16° to 62°17°) | 60°16° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 62% | 13% | 0 |
| Sat 9p | Clear | 58°14° (likely 58°14° to 60°16°) | 58°14° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 67% | 37% | 0 |
| Sat 10p | Clear | 56°13° (likely 56°13° to 59°15°) | 56°13° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 74% | 42% | 0 |
| Sat 11p | Clear | 54°12° (likely 54°12° to 57°14°) | 54°12° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 80% | 40% | 0 |
| Sun 12a | Clear | 52°11° (likely 52°11° to 56°13°) | 52°11° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 86% | 39% | 0 |
| Sun 1a | Clear | 51°11° (likely 50°10° to 55°13°) | 51°11° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 89% | 34% | 0 |
| Sun 2a | Clear | 50°10° (likely 49°9° to 54°12°) | 50°10° | 0% | 0 mph0 km/h, gusts 3 mph6 km/h | 93% | 26% | 0 |
| Sun 3a | Clear | 49°9° (likely 47°8° to 54°12°) | 49°9° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 93% | 4% | 0 |
| Sun 4a | Clear | 48°9° (likely 47°8° to 53°12°) | 48°9° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 96% | 26% | 0 |
| Sun 5a | Clear | 48°9° (likely 47°8° to 52°11°) | 48°9° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 93% | 25% | 0 |
| Sun 6a | Clear | 46°8° (likely 46°8° to 51°11°) | 46°8° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 96% | 25% | 0 |
Days ahead
Today, Oct 23. Sunny. High 75°24°, low 46°8°. Typical 71°22° / 48°9°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 46°8°Dry
Afternoon
noon–6 PM
Sunny, 75°24°Dry
Evening
6 PM–midnight
Clear, 65°18°Dry
Overnight
midnight–6 AM
Clear, 48°9°Dry
Official NWS forecast
Today: Sunny, with a high near 75. East wind 0 to 5 mph.
Tonight: Clear, with a low around 46. Northeast wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 73°23°–75°24°
- Low, likely
- 43°6°–50°10°
- Typical high / low
- 71°22° / 48°9°
- Wind
- 8 mph14 km/h, gusts 16 mph26 km/h
- UV peak
- 5
Tomorrow, Oct 24. Sunny. High 72°22°, low 46°8°. Typical 71°22° / 48°9°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 46°8°Dry
Afternoon
noon–6 PM
Sunny, 72°22°Dry
Evening
6 PM–midnight
Clear, 60°16°Dry
Overnight
midnight–6 AM
Clear, 48°9°Dry
Official NWS forecast
Day: Sunny, with a high near 72. East wind 0 to 5 mph.
Night: Clear, with a low around 46. Southwest wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 72°22°–73°23°
- Low, likely
- 46°8°–51°11°
- Typical high / low
- 71°22° / 48°9°
- Wind
- 5 mph9 km/h, gusts 12 mph19 km/h
- UV peak
- 5
Sunday, Oct 25. Sunny. High 72°22°, low 45°7°. Typical 71°22° / 47°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 47°8°Dry
Afternoon
noon–6 PM
Sunny, 71°22°Dry
Evening
6 PM–midnight
Clear, 61°16°Dry
Overnight
midnight–6 AM
Clear, 49°9°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 72. North wind 0 to 5 mph.
Night: Clear, with a low around 45. Northeast wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 71°22°–72°22°
- Low, likely
- 45°7°–50°10°
- Typical high / low
- 71°22° / 47°8°
- Wind
- 7 mph10 km/h, gusts 15 mph24 km/h
- UV peak
- 5
Monday, Oct 26. Mostly sunny. High 73°23°, low 47°8°. Typical 70°21° / 47°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 47°8°Dry
Afternoon
noon–6 PM
Sunny, 72°22°Dry
Evening
6 PM–midnight
Cloudy, 62°17°Dry
Overnight
midnight–6 AM
Clear, 49°9°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 73. Northeast wind 0 to 5 mph.
Night: Partly cloudy, with a low around 47.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 72°22°–73°23°
- Low, likely
- 43°6°–50°10°
- Typical high / low
- 70°21° / 47°8°
- Wind
- 5 mph9 km/h, gusts 13 mph21 km/h
- UV peak
- 5
Tuesday, Oct 27. Partly sunny. High 74°23°, low 49°9°. Typical 70°21° / 47°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 47°8°Dry
Afternoon
noon–6 PM
Cloudy, 74°23°Dry
Evening
6 PM–midnight
Cloudy, 63°17°Dry
Overnight
midnight–6 AM
Cloudy, 53°12°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 74.
Night: Partly cloudy, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 73°23°–75°24°
- Low, likely
- 42°6°–50°10°
- Typical high / low
- 70°21° / 47°8°
- Wind
- 3 mph5 km/h, gusts 11 mph17 km/h
- UV peak
- 5
Wednesday, Oct 28. Cloudy. High 74°23°, low 48°9°. Typical 69°21° / 46°8°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 51°11°Dry
Afternoon
noon–6 PM
Sunny, 72°22°Dry
Evening
6 PM–midnight
Clear, 61°16°Dry
Overnight
midnight–6 AM
Clear, 51°10°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 74.
Night: Partly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 69°21°–74°23°
- Low, likely
- 48°9°–54°12°
- Typical high / low
- 69°21° / 46°8°
- Wind
- 7 mph11 km/h, gusts 15 mph24 km/h
- UV peak
- 5
Thursday, Oct 29. Partly sunny. High 75°24°, low 50°10°. Typical 69°21° / 46°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Mostly sunny, 50°10°Dry
Afternoon
noon–6 PM
Mostly sunny, 73°23°Dry
Evening
6 PM–midnight
Clear, 64°18°Dry
Overnight
midnight–6 AM
Clear, 52°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 75.
Night: Mostly clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 73°23°–75°24°
- Low, likely
- 46°8°–53°12°
- Typical high / low
- 69°21° / 46°8°
- Wind
- 4 mph7 km/h, gusts 12 mph19 km/h
- UV peak
- 4
Friday, Oct 30. Cloudy. High 73°23°, low 54°12°. Typical 68°20° / 45°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 52°11°Dry
Afternoon
noon–6 PM
Sunny, 73°23°Dry
Evening
6 PM–midnight
Clear, 64°18°Dry
Overnight
midnight–6 AM
Cloudy, 58°14°Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 71°22°–76°24°
- Low, likely
- 53°12°–55°13°
- Typical high / low
- 68°20° / 45°7°
- Wind
- 9 mph14 km/h, gusts 19 mph31 km/h
- UV peak
- 3
Saturday, Oct 31. Showers. High 72°22°, low 57°14°. Typical 68°20° / 45°7°. Rain 0.08 in2 mm, 20% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 57°14°Dry
Afternoon
noon–6 PM
Cloudy, 70°21°Dry
Evening
6 PM–midnight
Showers, 64°18°20% chance · 0.08 in1.9 mm
Overnight
midnight–6 AM
Showers, 57°14°30% chance · 0.37 in9.4 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 69°21°–74°23°
- Low, likely
- 50°10°–61°16°
- Typical high / low
- 68°20° / 45°7°
- Wind
- 10 mph16 km/h, gusts 29 mph46 km/h
- UV peak
- 2
Sunday, Nov 1. Showers. High 73°23°, low 58°14°. Typical 68°20° / 45°7°. Rain 0.53 in13 mm, 40% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 57°14°40% chance · 0.01 in0.3 mm
Afternoon
noon–6 PM
Drizzle, 67°19°40% chance · 0.13 in3.2 mm
Evening
6 PM–midnight
Drizzle, 61°16°30% chance · 0.11 in2.9 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 71°22°–76°24°
- Low, likely
- 48°9°–64°18°
- Typical high / low
- 68°20° / 45°7°
- Wind
- 12 mph19 km/h, gusts 31 mph49 km/h
- UV peak
- 4
The outlook
Today
Dry, high 75°, low 46°.
Tomorrow
Dry, high 72°, low 46°, cooling off.
Sunday
Dry, high 72°, low 45°.
Rest of week
Mostly dry, highs 72–75°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (MRX) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 64% less heating than a typical week.
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 5
- h below 17°F
- 0
- h below 5°F
- 0
47, 17 and 5°F are the test points heat pumps are rated at.
Comfort
Dry air outside (dew point 45°F).
Open the windows?
Today, 12:00 PM–9:00 PM
Good stretch to open the windows.
Is this typical?
Oct 23, today vs a typical year
Today’s expected high is 4°2° warmer than typical.
- Normal high / low
- 71°22° / 48°9°
- Forecast high / low
- 75°24° / 46°8°
- Record high
- 88°31° in 1941
- Record low
- 28°−2° in 1974
Last 7 days vs normal
On average 3°2° colder than normal (daily mean temperature).
- −5°−3°SatOct 17
- −4°−2°SunOct 18
- −5°−3°MonOct 19
- −2°−1°TueOct 20
- ±0°WedOct 21
- −1°ThuOct 22
- —FriOct 23
Chattanooga weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:54 AM, sunset 6:56 PM.
- Daylight
- 11 h 2 min
- Losing 2 min 7 s a day; shortest Dec 21, 1 h 14 min less
- Golden hour
- 6:21–7:11 PM
- Morning 7:38–8:28 AM
- Blue hour
- 7:11–7:21 PM
- Morning 7:28–7:38 AM; first light 7:28 AM
Stars tonight? Unknown
Cloud forecast not available for tonight.
Moon
Waxing gibbous
91% lit · growing
- Today
- sets 5:06 AM · rises 5:23 PM
- Full moon
- Oct 26
- New moon
- Nov 9
