How does NOAA issue severe storm watches for Waltham?

The National Weather Service (NWS) monitors atmospheric instability across Massachusetts. When convective storms, tornado potential, or flash floods are detected, automated NOAA advisories are immediately broadcasted.

What are the best outdoor weather hours in Waltham today?

Check the 24-hour hourly trend chart above to identify windows of minimal rain probability, low UV index periods, and mild temperatures.

MA, USAZIP 02453Live NOAA Station

Waltham, MA

Q: What is the current temperature and forecast in Waltham, Massachusetts?

The current weather in Waltham is around 64°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

Despejado•Sensación térmica 59°F-2° wind chill

64°F/51°F

12 mph 44°

51%Humedad

64°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

Actualizado: 09:00 AM (America/New_York)

Daily Meteorological Briefing

Waltham, MA

Synthesized forecast and practical day-planning insights

NOAA HRRR Stream

Expect mild and stable weather across Waltham, MA today.

Current temperature is 64°F (feels like 59°F), with daytime highs reaching 64°F and overnight lows around 51°F. Humidity is at 51%, with atmospheric pressure steady at 1028.2 hPa.

Overall excellent conditions for commuting and outdoor routines.

Daily Range

Δ 7° Variation

Rain Likelihood

Low (< 10%)

Solar Exposure

UV 5.7 • High UV

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

Pronóstico por Hora

Next 16 Hours

Now

56°F

1 AM

55°F

2 AM

54°F

3 AM

54°F

4 AM

53°F

5 AM

53°F

6 AM

54°F

7 AM

55°F

8 AM

55°F

9 AM

56°F

10 AM

58°F

11 AM

60°F

12 PM

62°F

1 PM

64°F

2 PM

64°F

3 PM

64°F

Pronóstico de 10 Días

Extended 10-day meteorological outlook

10-Day Range

Hoy

22 sept

51°F

64°F

mié

23 sept

50°F

63°F

jue

24 sept

48°F

64°F

vie

25 sept

60%

47°F

69°F

sáb

26 sept

67%

54°F

71°F

dom

27 sept

67%

57°F

63°F

lun

28 sept

45%

56°F

62°F

mar

29 sept

12%

52°F

78°F

mié

30 sept

10%

57°F

82°F

jue

1 oct

17%

61°F

83°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

Índice UVHigh

5.7 / 11+

Protection requiredPeak 5.65

Viento44°

12 mph

Wind Gusts:17 mph

Conditions:Breezy

Sun CycleDaylight

Sunrise06:32 AM

Sunset06:42 PM

Solar Noon:12:54 PM

HumedadComfortable

51%

Punto de Rocío:45°F

PresiónSteady

30.36 inHg

Trend:Stable (+0.1 hPa)

VisibilidadClear

22.5 mi

Haze:Minimal

Air Quality Index (AQI)Good

47US EPA Standard

Air quality is ideal for outdoor activities.

PM2.57 µg

OZONE70 µg

PM109 µg

Daily Lifestyle & Activity Index

Practical recommendations tailored to current local conditions

Outdoor SportsIdeal

Perfect temperature and low humidity for outdoor workouts.

Car WashRecommended

Dry conditions will keep your vehicle clean.

Pollen & AllergyLow Risk

Pollen counts remain in the comfortable range.

Driving SafetyOptimal

Dry pavement and clear visibility throughout.

Sun & Moon • Celestial Dynamics

Solar orbital arc trajectory and lunar cycle visibility

Astronomy Telemetry

Solar Day TrackDaylight Arc

Sunrise02:32 AM

Daylight ~13h

Sunset02:42 PM

Lunar Phase & StargazingNight Sky

Waxing Gibbous

80% Illumination

Stargazing condition: Optimal Visibility

Next Full Moon in ~5 daysTidal Currents Normal

Preguntas Frecuentes sobre el Clima - Waltham, Massachusetts

The current weather in Waltham is around 64°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

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