Detailed local forecast

48-Hour Forecast for Boulder, Colorado, USA

Hourly temperature, rain, wind, humidity, UV index, visibility, and atmospheric conditions for the next 48 hours.

Last updated Sep 6, 9:12 AM -06:00

Temperature Range 63°F – 90°F Next 48 hours

Feels Like 61°F – 88°F Apparent range

Precipitation 100% 0.13 in total

Humidity 51% 48-hour average

Pressure 29.94 inHg Current

Wind 5.8 mph N Gusts to 21.1 mph

Dew Point 59°F Current

Visibility 6.2 mi Current

Cloud Cover 100% Current

UV Index 9.5 very high 48-hour peak

Sunrise 6:33 AM Local time

Sunset 7:24 PM UTC-06:00 UTC-06:00

Local time in Boulder

48-Hour Hourly Forecast

Scroll horizontally to compare every hour

Forecast	Today — Sun, Sep 6																Tomorrow — Mon, Sep 7																								Tuesday — Tue, Sep 8
Time	Now	9 AM	10 AM	11 AM	12 PM	1 PM	2 PM	3 PM	4 PM	5 PM	6 PM	7 PM	8 PM	9 PM	10 PM	11 PM	12 AM	1 AM	2 AM	3 AM	4 AM	5 AM	6 AM	7 AM	8 AM	9 AM	10 AM	11 AM	12 PM	1 PM	2 PM	3 PM	4 PM	5 PM	6 PM	7 PM	8 PM	9 PM	10 PM	11 PM	12 AM	1 AM	2 AM	3 AM	4 AM	5 AM	6 AM	7 AM
Weather
Temperature °F	74	76	76	78	82	86	90	88	81	78	77	80	75	72	73	72	68	66	65	65	64	63	63	66	72	75	79	82	86	86	85	83	84	86	81	81	78	73	72	72	68	66	66	65	65	66	66	66
Feels Like °F	74	75	76	78	82	85	88	87	85	79	78	80	76	72	73	73	67	66	65	64	63	61	62	65	71	74	79	80	83	84	83	81	83	84	80	82	78	73	72	71	67	65	64	64	64	64	64	65
Precip %	0%	0%	0%	0%	0%	0%	0%	70%	88%	97%	100%	56%	93%	86%	75%	53%	30%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	3%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
Rain in	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.02	0.03	0.05	0.01	0.01	0.02	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Wind mph	3.4	1.3	4.1	7.5	10.3	11.9	11.3	8.3	10.9	13.2	6.1	2.2	5.2	7.4	5.9	3.9	5.5	5.5	7.3	7.9	9.3	8.6	6.5	6.3	5.8	4.4	2	2.6	5.4	4.7	2.2	1.6	1.8	8.8	18.6	5.1	7.5	8	7.7	7.9	7.2	7.1	7.9	8.4	7.6	6.6	5.8	5.2
Gust mph	3.8	2.9	2.2	5.4	8.5	9.8	10.2	9.3	14.8	16.5	4.9	3	6.9	5.7	5.3	2.7	4.5	4.2	5.7	6.4	8.1	7.6	6.1	5.7	5.8	5.4	4.3	6.1	8.7	7.7	5.7	6	6.7	12.6	21.1	6.6	7.8	7.9	7.3	7.3	6.7	6.7	7.3	7.4	6.7	5.9	5.1	4.5
Wind Direction	WSW	SW	E	E	ESE	ESE	ESE	NNW	W	WNW	W	NNE	NW	W	WSW	W	W	W	W	W	W	W	W	WSW	WSW	WSW	SSW	ESE	ESE	ESE	ESE	NNW	NNW	WNW	W	WSW	W	W	WSW	WSW	WSW	W	W	W	W	W	W	W
Humidity %	55	51	49	45	42	38	28	35	73	69	60	64	78	74	69	70	70	70	65	60	55	52	48	47	44	42	35	30	27	30	32	32	38	27	33	47	52	59	60	59	56	55	55	56	54	52	51	50
Pressure inHg	29.94	29.94	29.94	29.91	29.88	29.83	29.80	29.80	29.88	29.88	29.85	29.85	29.91	29.91	29.88	29.88	29.85	29.85	29.85	29.83	29.83	29.83	29.83	29.85	29.85	29.85	29.83	29.80	29.80	29.80	29.83	29.80	29.80	29.77	29.80	29.85	29.91	29.94	29.97	29.97	29.97	29.97	29.97	29.97	30.00	30.00	30.00	30.03
Dew Point °F	57	56	56	55	57	57	49	50	57	55	55	56	55	54	55	55	53	51	50	48	45	44	44	44	45	47	46	45	44	44	45	46	49	45	46	49	49	48	48	48	47	47	46	46	46	45	44	44
Cloud Cover %	100	100	100	98	91	29	15	24	43	53	61	100	97	88	93	95	91	89	67	79	84	88	90	100	100	100	100	100	100	100	100	100	100	88	90	100	89	93	86	89	91	100	97	87	92	94	94	100
Visibility mi	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2
UV Index	0.6	1.7	3.9	6.5	8.8	9.5	7.9	6.4	2.1	0.4	0.3	0	0	0	0	0	0	0	0	0	0	0	0	0	0.3	1	3.4	6.2	8	8.8	5.2	3.9	2.6	1.5	0.5	0	0	0	0	0	0	0	0	0	0	0	0	0

Best Time Outdoors

Mon, 8 AM

72°F · Rain 0% · Wind 5.8 mph

Rain Window

Sun, 3 PM – 12 AM

Peak chance 100% · 0.13 in

Strongest Winds

Mon, 6 PM

Sustained 18.6 mph · Gust 21.1 mph · W

Overnight Low

Mon, 5 AM

Low 63°F · Feels like 61°F

Weather Forecast for Boulder, Colorado, USA

The next 48 hours in Boulder, Colorado, USA currently range from 63°F to 90°F. Rain chances peak at 100%, with 0.13 in of precipitation forecast. The strongest expected wind is 21.1 mph.

What is the weather forecast for Boulder for the next 48 hours?

The next 48 hours in Boulder, Colorado, USA currently range from 63°F to 90°F. Rain chances peak at 100%, with 0.13 in of precipitation forecast. The strongest expected wind is 21.1 mph.

Will it rain in Boulder during the next 48 hours?

Rain is possible, with a peak hourly chance of 100% and 0.13 in currently forecast.

What will be the highest temperature in Boulder?

The highest hourly temperature currently forecast is 90°F.

When will winds be strongest in Boulder?

Sustained 18.6 mph · Gust 21.1 mph · W

Current Conditions

72°F Clouds Feels like 72°F

Humidity: 62%
Wind: 5.8 mph N
UV Index: 1.7 low

Location Details

Boulder, Colorado, USA

Latitude: 40.0150° N
Longitude: 105.2705° W
Timezone: UTC-06:00 (UTC-06:00)
Units: Imperial

Air Quality

7 Good

Primary pollutant: PM2.5
Concentration: 1.3 µg/m³
OpenWeather AQI: 1 / 5

Weather Alerts

No active alertsNo official weather alerts for Boulder.

View alerts on the weather dashboard