As of 7:38 PM

Clear

Feels like

Today85°61°

Wind7mph N

Humidity53%

UV index0Low

Littleton5,358 ft

Historic south metro along the South Platte.

The outlook

Showers and thunderstorms are likely this afternoon and evening, with brief heavy rain possible. Expect more widespread and heavier rain on Saturday, then drier conditions with cooler temperatures on Sunday.

Next 10 hours59°–68°

68°59°

68°Now

68°8 PM

66°9 PM

65°10 PM

64°11 PM

63°12 AM

61°1 AM

60°2 AM

59°3 AM

60°4 AM

The days ahead

Rest of today

through midnight

68°64°

Drizzle, 61% precip

Tomorrow

Sat

78°58°

Rain · colder

Sun

73°54°

Rain · sharply colder

Rest of the week

Mon–Thu

83°55°

Temperatures warming, rain Thu

2026 is running 6.0° warmer than the archive average so far.

The record high for September 18 is 92°, set in 2021.

This heating season is running 22% milder than normal so far.

Today loses 2 min 31 sec of daylight against yesterday.

Right now

Conditions

Wind: mph N
Humidity
Pressure
UV index: 0Low
Visibility: 5 mi
Dew point: 54°

Next hour

Minute-by-minute

No precipitation expected in the next hour.

Now7:53 PM8:08 PM8:23 PM8:38 PM

Next 48 hours

Hourly forecast

Fri, Sep 18 → Sun, Sep 20Mountain · midnight starts a new day

Fri, Sep 18Now68°61%6 mph

8 PM68°37%3 mph

9 PM66°9%4 mph

10 PM65°1%4 mph

11 PM64°1%3 mph

Sat, Sep 1912 AM63°1%2 mph

1 AM61°1%4 mph

2 AM60°1%2 mph

3 AM59°1%1 mph

4 AM60°–2 mph

5 AM61°1%3 mph

6 AM60°1%2 mph

7 AM59°1%2 mph

8 AM62°1%2 mph

9 AM66°2%2 mph

10 AM70°3%2 mph

11 AM74°2%2 mph

12 PM75°25%3 mph

1 PM76°47%7 mph

2 PM78°56%6 mph

3 PM76°30%11 mph

4 PM72°19%9 mph

5 PM71°36%6 mph

6 PM70°39%7 mph

7 PM66°20%2 mph

8 PM64°28%4 mph

9 PM63°19%4 mph

10 PM61°21%4 mph

11 PM60°42%6 mph

Sun, Sep 2012 AM59°14%4 mph

1 AM58°2%4 mph

2 AM56°2%2 mph

3 AM56°2%2 mph

4 AM55°6%3 mph

5 AM55°6%3 mph

6 AM55°6%2 mph

7 AM54°4%2 mph

8 AM58°5%3 mph

9 AM61°22%6 mph

10 AM64°26%7 mph

11 AM67°26%6 mph

12 PM69°19%6 mph

1 PM70°31%7 mph

2 PM71°27%7 mph

3 PM73°60%5 mph

4 PM72°67%6 mph

5 PM72°70%6 mph

6 PM70°32%6 mph

7-day outlook

The week ahead

Today
Rain · 69% precip
85°61°
Sat
Rain · 69% precip
78°58°
Sun
Rain · 70% precip
73°54°
Mon
Drizzle · 30% precip
77°55°
Tue
Rain · 30% precip
81°56°
Wed
Rain · 22% precip
76°58°
Thu
Rain · 60% precip
83°59°

Sun & Moon

Light of day

sunrise

6:44 AM

sunset

7:03 PM

Daylight

12 hr 19 min

−2 min 31 sec vs yesterday

Moon

First Quarter

Storm tracker

Live radar

Loading live radar…

Radar by RainViewer · 7-day precipitation forecast by Open-Meteo · basemap OpenFreeMap. Radar covers the past two hours plus a 30-minute nowcast; the 7-day layer is a precipitation forecast.

Climate

How today sits against the record

Open-Meteo archive, 2016–2026

This season's pace

A running total of heating and cooling demand in degree-days, measured against the multi-year average. It is a sum of degrees, not a count of days.

Heating degree-days· Since Oct 1

4,264(-22% vs normal)

Cooling degree-days· Since May 1

1,179(+48% vs normal)

Year to date

+6.0°warmer than the archive average

The year in temperature

2016–2026 avg

Average temperature each month, with heating and cooling degree-days, averaged across these years. This month is outlined.

September 18, across the years

2017–2025

Each bar is September 18 only: observed low at the bottom, high at the top. Accent fill is 2026. Dashed lines are the archive’s typical high/low for that date.

Legend

Frosted bars = other years
Solid accent = 2026
Accent dashes: avg high (September 18, archive mean).Neutral dashes: avg low for the same date.

Blended fromOpenWeatherOpen-MeteoNOAA GFSECMWFDWD ICONNWSradar by RainViewerupdated 7:38 PM Denver time

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