Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 8

Waning Gibbous 51%

00:46

10:06

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good

Sun - Rise: 06:47, Set: 17:09, Transit: 11:58. Moon - Rise: 00:46, Set: 10:06. Civil Dark: 17:38 - 06:18. Nautical Dark: 18:10 - 05:45. Astro Dark: 18:43 - 05:12

Total Clouds (% Sky Obscured)

80
85
88
91
68
23
4
4
6
9
6
4
2
2
2
2
3
2
2
4
4
4
4
3

Low Clouds (% Sky Obscured)

2
1
2
1
1
1
0
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

80
85
88
91
61
20
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

8
30
34
69
41
2
2
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
12
11
11
10
10
8
8
8
9
9
9
9
10
11
11
11
12
12
12
13
12
11

Chance of Frost

Temperature (°C)

-10
-12
-13
-14
-12
-12
-13
-13
-13
-14
-14
-14
-13
-13
-12
-11
-9
-7
-6
-4
-3
-3
-3
-3

Feels Like (°C)

-17
-18
-19
-20
-18
-18
-17
-16
-17
-17
-17
-17
-17
-17
-16
-15
-13
-11
-10
-8
-7
-7
-7
-7

Dew Point (°C)

-14
-15
-16
-17
-16
-16
-16
-16
-16
-16
-16
-16
-16
-16
-15
-14
-12
-11
-9
-7
-6
-6
-6
-7

Relative Humidity (%)

77
78
78
76
76
76
78
79
79
81
79
81
79
78
76
78
77
76
76
78
78
76
78
78

Pressure (mb)

1017
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1019

Ozone (du)

467
472
476
471
465
461
459
459
456
449
446
444
438
444
447
446
448
449
446
438
430
418
409
398

Monday 9

Third Quarter 41%

01:50

10:39

18 Good
19 Good
20 Good
21 OK
22 Good
23 Good
00 Bad
01 Bad
02 OK
03 OK
04 Good
05 Good
06 Good
07 Good
08 Good
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:46, Set: 17:11, Transit: 11:58. Moon - Rise: 01:50, Set: 10:39. Civil Dark: 17:40 - 06:17. Nautical Dark: 18:12 - 05:44. Astro Dark: 18:44 - 05:11

Total Clouds (% Sky Obscured)

4
12
12
29
15
12
49
50
34
27
12
9
9
8
6
50
56
60
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
1
1
2
1
2
1
0
0
1
2
3
2
3
1
0
0
1
1
2
1
24
20
53

Medium Clouds (% Sky Obscured)

0
0
0
0
3
3
49
50
34
27
3
0
0
0
0
0
2
10
75
89
100
100
100
100

High Clouds (% Sky Obscured)

2
6
3
19
5
2
4
5
4
0
2
0
2
2
3
35
56
45
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
32
35

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
8
8
7
6
5
5
5
5
5
4
4
3
3
3
4
3
6
7
7
7
9
8

Chance of Frost

Temperature (°C)

-5
-6
-7
-7
-8
-9
-10
-10
-9
-10
-10
-10
-10
-10
-8
-7
-5
-4
-3
-2
-1
0
0
-0

Feels Like (°C)

-8
-9
-10
-11
-12
-12
-12
-14
-14
-13
-13
-12
-13
-12
-10
-8
-9
-8
-7
-6
-5
-5
-5
-5

Dew Point (°C)

-7
-8
-9
-10
-11
-12
-12
-12
-12
-12
-12
-12
-13
-12
-11
-10
-9
-7
-6
-4
-3
-2
-1
-1

Relative Humidity (%)

82
84
82
82
82
81
83
81
81
81
81
81
81
83
80
76
76
76
78
81
84
87
91
92

Pressure (mb)

1019
1020
1020
1020
1020
1020
1021
1021
1021
1020
1021
1021
1021
1021
1021
1021
1021
1020
1019
1017
1016
1015
1015
1014

Ozone (du)

395
395
395
400
404
404
403
404
406
404
403
408
405
390
384
376
370
364
360
353
350
348
345
345

Tuesday 10

Waning Crescent 32%

02:51

11:19

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:44, Set: 17:12, Transit: 11:58. Moon - Rise: 02:51, Set: 11:19. Civil Dark: 17:41 - 06:15. Nautical Dark: 18:13 - 05:42. Astro Dark: 18:45 - 05:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
100
47
42
29
26
28
19
18
20
30
47
53
48
80
84
65
80

Low Clouds (% Sky Obscured)

62
87
87
90
86
89
89
100
47
38
28
20
23
6
4
8
21
47
53
48
55
59
50
49

Medium Clouds (% Sky Obscured)

100
97
100
97
94
45
9
9
0
0
0
6
13
6
2
6
10
8
16
18
62
55
20
80

High Clouds (% Sky Obscured)

100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
3
0
0
0
0
0
0
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
53
71
68
62
37
13
2
0
0
0
0
0
0
0
0
0
0
0
0
7
8
0
0

Precipitation Amount (mm)

0
0.1
0.2
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
11
9
10
10
8
8
8
8
9
10
11
11
11
13
13
13
12
12
12
12
12
11

Chance of Frost

Temperature (°C)

-1
-2
-2
-2
-1
-1
-0
0
1
0
-0
-0
-0
-1
-1
0
1
2
2
2
2
2
2
1

Feels Like (°C)

-5
-7
-7
-6
-6
-6
-4
-4
-4
-3
-3
-4
-4
-4
-4
-4
-3
-3
-2
-2
-2
-3
-3
-4

Dew Point (°C)

-2
-3
-2
-2
-2
-1
-1
0
0
-1
-2
-2
-3
-3
-3
-3
-2
-0
1
1
1
0
-1
-2

Relative Humidity (%)

92
92
96
96
96
98
98
98
96
92
89
89
83
84
84
83
84
88
93
93
91
86
83
83

Pressure (mb)

1013
1012
1010
1010
1008
1007
1006
1005
1004
1003
1003
1003
1003
1003
1004
1004
1004
1003
1003
1003
1003
1003
1004
1004

Ozone (du)

347
351
351
353
363
372
382
391
393
393
390
388
389
390
392
395
396
394
393
396
398
397
395
392

Wednesday 11

Waning Crescent 23%

03:48

12:08

18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:43, Set: 17:13, Transit: 11:58. Moon - Rise: 03:48, Set: 12:08. Civil Dark: 17:42 - 06:14. Nautical Dark: 18:14 - 05:41. Astro Dark: 18:47 - 05:09

Total Clouds (% Sky Obscured)

77
76
66
40
65
49
39
57
58
74
65
58
35
40
45
49
54
56
74
73
67
71
75
76

Low Clouds (% Sky Obscured)

55
37
48
33
32
31
28
21
11
16
25
31
11
22
37
49
36
33
64
63
52
52
61
62

Medium Clouds (% Sky Obscured)

77
76
12
9
65
37
10
57
27
33
18
9
6
4
2
1
2
3
6
6
8
16
21
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
2
3
3
4
3
0
1
1
0
0
0
0
0
0
0
0
0
0
0
1
3
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
11
11
11
11
11
10
10
9
9
9
9
10
10
10
9
9
8
8
8
8
7
6

Chance of Frost

Temperature (°C)

0
-1
-1
-2
-3
-3
-4
-4
-4
-5
-5
-5
-6
-6
-5
-4
-3
-2
-1
-0
0
0
1
-1

Feels Like (°C)

-5
-5
-6
-7
-7
-9
-9
-8
-9
-8
-10
-10
-10
-9
-8
-8
-6
-5
-4
-4
-3
-2
-2
-3

Dew Point (°C)

-2
-2
-4
-4
-5
-6
-6
-7
-7
-7
-7
-7
-7
-8
-7
-6
-6
-5
-4
-3
-2
-2
-2
-2

Relative Humidity (%)

84
87
84
84
86
82
81
82
84
85
85
85
87
84
84
85
82
81
83
84
89
88
86
89

Pressure (mb)

1005
1006
1006
1006
1007
1007
1007
1007
1008
1008
1009
1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1013
1014

Ozone (du)

395
395
397
398
398
397
397
399
397
393
390
387
388
388
389
389
388
389
387
386
385
385
386
388

Thursday 12

Waning Crescent 15%

04:38

13:06

18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 OK
14 OK
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:42, Set: 17:15, Transit: 11:58. Moon - Rise: 04:38, Set: 13:06. Civil Dark: 17:43 - 06:13. Nautical Dark: 18:15 - 05:40. Astro Dark: 18:48 - 05:07

Total Clouds (% Sky Obscured)

79
56
44
37
32
43
55
52
46
45
65
75
76
78
78
82
72
59
46
42
43
52
63
64

Low Clouds (% Sky Obscured)

66
39
20
0
0
0
0
0
5
5
5
4
16
25
18
17
12
9
5
5
5
0
0
0

Medium Clouds (% Sky Obscured)

23
25
29
26
28
19
27
33
46
45
40
39
12
26
40
53
43
32
18
11
6
2
2
1

High Clouds (% Sky Obscured)

0
0
0
0
0
4
5
5
0
0
6
2
2
8
11
8
5
5
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
1
2
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
3
2
8
0
0
0
0
0
0
0
0
0
0
2
6
11
11
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
8
8
8
8
8
8
8
8
7
7
7
7
7
7
8
7
7
6
6
6
6
6

Chance of Frost

Temperature (°C)

-2
-2
-3
-5
-6
-6
-7
-7
-7
-7
-8
-8
-9
-10
-9
-7
-6
-5
-4
-3
-2
-2
-1
-1

Feels Like (°C)

-5
-6
-6
-7
-10
-9
-11
-11
-11
-11
-12
-13
-14
-14
-14
-14
-14
-13
-12
-12
-6
-6
-5
-5

Dew Point (°C)

-4
-4
-5
-6
-7
-8
-8
-8
-8
-9
-10
-10
-11
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-3

Relative Humidity (%)

89
89
87
87
89
87
89
90
90
87
85
83
83
83
83
82
80
81
81
81
82
84
86
86

Pressure (mb)

1014
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1018
1018
1018
1018
1018
1019

Ozone (du)

391
393
399
403
408
406
412
415
418
420
421
422
427
433
436
439
442
443
444
444
446
448
449
450

Friday 13

Waning Crescent 9%

05:20

14:11

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK

Sun - Rise: 06:40, Set: 17:16, Transit: 11:58. Moon - Rise: 05:20, Set: 14:11. Civil Dark: 17:45 - 06:12. Nautical Dark: 18:16 - 05:39. Astro Dark: 18:49 - 05:06

Total Clouds (% Sky Obscured)

70
89
93
91
67
42
17
17
15
12
22
35
63
48
34
23
24
22
14
13
15
17
14
12

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
13
26
39
26
13
0
11
21
14
13
15
17
14
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
4
13
32
46
34
23
23
12
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
9
9
9
9
9
9
9
8
6

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
9
7
0
1
0
0
0
0
0
0
0
0
7
7
4
5
4
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
7
7
8
8
7
7
7
7
6
6
6
6
6
6
7
6
6
6
5
5
4
4

Chance of Frost

Temperature (°C)

-2
-3
-4
-5
-6
-6
-8
-9
-9
-9
-9
-9
-9
-9
-8
-6
-4
-3
-2
-1
-1
-1
-0
-2

Feels Like (°C)

-5
-4
-7
-7
-8
-8
-9
-9
-11
-11
-11
-11
-11
-11
-12
-12
-11
-10
-9
-9
-2
-2
-2
-1

Dew Point (°C)

-4
-4
-5
-6
-7
-8
-10
-10
-10
-10
-11
-11
-11
-11
-10
-8
-6
-5
-4
-2
-2
-2
-1
-2

Relative Humidity (%)

87
89
89
87
89
87
87
88
88
87
87
87
87
87
85
85
85
87
89
91
91
92
94
96

Pressure (mb)

1019
1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024

Ozone (du)

450
450
446
442
438
438
437
436
432
428
423
421
419
417
417
418
418
416
413
410
409
408
407
407

Saturday 14

Waning Crescent 4%

05:54

15:20

18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:39, Set: 17:17, Transit: 11:58. Moon - Rise: 05:54, Set: 15:20. Civil Dark: 17:46 - 06:10. Nautical Dark: 18:17 - 05:37. Astro Dark: 18:50 - 05:05

Total Clouds (% Sky Obscured)

9
23
37
50
60
69
74
75
62
53
67
83
95
96
95
98
98
99
100

Low Clouds (% Sky Obscured)

3
7
19
28
37
61
74
75
62
53
59
42
19
11
6
2
4
8
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
26
52
79
86
93
100

ISS Passover

Visibility (miles)

4
2
1
1
1
2
3
4
4
4
4
5
6
8
8
9
9
7
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
3
3
3
3
3
4
3
3
3
3
3
3
3
2
2
1
2

Chance of Frost

Temperature (°C)

-3
-4
-4
-5
-5
-6
-6
-7
-7
-7
-8
-8
-8
-8
-6
-4
-3
-2
-1

Feels Like (°C)

-1
0
-6
-6
-6
-6
-7
-7
-10
-10
-10
-10
-11
-11
-10
-10
-10
-9
-8

Dew Point (°C)

-4
-4
-5
-5
-6
-6
-6
-7
-8
-8
-9
-9
-9
-9
-7
-6
-4
-3
-2

Relative Humidity (%)

94
96
96
96
96
96
98
96
94
92
90
90
90
88
90
89
87
89
91

Pressure (mb)

1024
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1026
1026

Ozone (du)

407
407
404
402
399
401
402
403
406
409
413
413
412
412
409
405
402
400
397

Forecast for Brookline, Norfolk, United States of America (42.33,-71.12)

Generated: 08/02/26 18:35:17. Forecast: 08/02/26 to 14/02/26. Timezone: UTC-5.00