Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 6

Waning Gibbous 70%

22:36

08:55

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

Sun - Rise: 06:51, Set: 17:06, Transit: 11:58. Moon - Rise: 22:36, Set: 08:55. Civil Dark: 17:35 - 06:21. Nautical Dark: 18:08 - 05:48. Astro Dark: 18:41 - 05:15

Total Clouds (% Sky Obscured)

81
87
91
93
100
100
100
100
100
100
98
99
96
96
98
99
96
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

81
87
91
93
99
100
100
77
74
100
76
65
69
40
40
37
24
34
81
78
77
72
81
86

Medium Clouds (% Sky Obscured)

70
65
68
67
72
96
100
100
100
52
75
77
77
81
95
97
92
94
100
96
100
100
100
100

High Clouds (% Sky Obscured)

35
31
51
54
70
94
93
100
73
0
0
0
0
0
1
15
35
50
98
88
87
83
65
56

ISS Passover

Visibility (miles)

3
1
0
0
0
1
2
9
9
9
9
9
9
9
9
9
9
9
9
9
2
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
1
2
2
1
1
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
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
17
9
16
20
10
9
8
8
3
2
1
1
1
2
3
7
25
43
59
63
64

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-11
-12
-11
-8
-6
-6
-6
-6
-6
-6
-6
-7
-8
-8
-8
-8
-9
-9
-9
-8
-8
-8
-8

Dew Point (°C)

-9
-8
-9
-9
-5
-4
-4
-5
-6
-6
-5
-6
-6
-8
-7
-7
-7
-7
-7
-7
-7
-6
-6
-5

Relative Humidity (%)

90
92
92
88
89
86
81
77
75
75
78
79
81
79
82
85
85
87
87
89
87
94
94
96

Pressure (mb)

1010
1010
1010
1010
1009
1008
1007
1006
1005
1004
1004
1004
1004
1004
1004
1003
1003
1002
1002
1001
1001
1000
999
999

Ozone (du)

397
396
396
399
401
402
402
399
395
388
389
390
397
399
399
399
403
411
416
417
418
422
424
424

Saturday 7

Waning Gibbous 61%

23:41

09:15

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

Sun - Rise: 06:49, Set: 17:07, Transit: 11:58. Moon - Rise: 23:41, Set: 09:15. Civil Dark: 17:36 - 06:20. Nautical Dark: 18:09 - 05:47. Astro Dark: 18:42 - 05:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
95
94
96
100
97
91
50
70
43
43
41
43
41

Low Clouds (% Sky Obscured)

91
91
90
91
89
92
92
89
97
100
85
73
55
72
37
49
26
50
63
43
43
41
43
41

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
97
85
94
96
99
95
86
19
17
10
6
4
4
4

High Clouds (% Sky Obscured)

4
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
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

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

Precipitation Probability (%)

72
77
76
70
70
67
73
89
95
95
95
88
68
32
8
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.4
0.4
0.3
0.3
0.2
0.2
0.4
1
1.1
0.7
0.7
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
5
5
5
5
4
6
8
10
12
18
18
18
19
18
17
17
17
17
17
15
15
15

Chance of Frost

Temperature (°C)

-5
-5
-5
-4
-4
-3
-3
-3
-3
-4
-3
-5
-7
-9
-11
-12
-13
-14
-15
-15
-16
-16
-16
-17

Feels Like (°C)

-8
-8
-8
-8
-7
-7
-6
-6
-7
-8
-8
-12
-14
-16
-19
-19
-20
-21
-21
-22
-22
-22
-22
-22

Dew Point (°C)

-5
-5
-5
-5
-4
-4
-4
-4
-3
-4
-4
-5
-8
-10
-13
-15
-16
-17
-18
-18
-19
-20
-20
-20

Relative Humidity (%)

96
96
96
96
94
94
91
92
96
96
94
98
96
90
81
79
79
77
75
75
75
74
75
75

Pressure (mb)

999
998
998
998
998
999
999
998
998
999
999
1001
1003
1005
1007
1008
1009
1010
1011
1011
1012
1013
1013
1013

Ozone (du)

426
434
437
439
441
443
450
457
454
455
472
475
471
471
474
490
500
495
489
473
475
477
463
460

Sunday 8

Waning Gibbous 58%

00:46

09:38

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

Sun - Rise: 06:48, Set: 17:08, Transit: 11:58. Moon - Rise: 00:46, Set: 09:38. Civil Dark: 17:37 - 06:19. Nautical Dark: 18:10 - 05:46. Astro Dark: 18:43 - 05:13

Total Clouds (% Sky Obscured)

37
31
10
11
12
5
4
4
25
72
55
40
31
40
24
10
7
3
3
3
3
3
3
3

Low Clouds (% Sky Obscured)

37
31
10
3
4
2
2
1
16
34
40
40
31
30
10
8
5
2
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

1
0
0
6
5
0
0
0
0
6
2
0
0
0
1
0
0
0
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
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
11
0
1
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)

15
15
14
14
14
14
14
14
14
14
14
15
15
14
13
13
12
11
11
10
9
9
8
8

Chance of Frost

Temperature (°C)

-17
-17
-17
-17
-16
-15
-14
-13
-12
-11
-11
-11
-12
-13
-14
-15
-15
-16
-16
-16
-17
-17
-17
-17

Feels Like (°C)

-23
-23
-23
-22
-22
-21
-19
-18
-17
-17
-17
-19
-19
-20
-20
-20
-20
-20
-20
-20
-20
-20
-20
-20

Dew Point (°C)

-20
-21
-21
-21
-20
-19
-18
-16
-15
-15
-14
-15
-16
-17
-17
-18
-18
-19
-19
-19
-19
-19
-20
-20

Relative Humidity (%)

75
73
73
74
75
74
73
73
73
73
75
73
75
73
74
75
76
75
76
76
78
78
77
76

Pressure (mb)

1014
1015
1016
1016
1017
1017
1017
1016
1016
1015
1015
1016
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

459
463
471
475
481
477
478
477
476
472
471
474
479
481
483
477
469
469
466
464
463
458
451
438

Monday 9

Third Quarter 51%

01:50

10:06

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

Sun - Rise: 06:47, Set: 17:09, Transit: 11:58. Moon - Rise: 01:50, Set: 10:06. Civil Dark: 17:38 - 06:18. Nautical Dark: 18:12 - 05:45. Astro Dark: 18:44 - 05:12

Total Clouds (% Sky Obscured)

3
3
11
33
35
30
20
15
20
30
39
29
29
20
42
57
71
74
79
82
79
75
69
61

Low Clouds (% Sky Obscured)

1
1
1
1
0
2
2
2
16
17
16
4
4
20
40
30
30
49
60
28
23
24
20
16

Medium Clouds (% Sky Obscured)

0
0
0
4
35
30
20
15
20
13
20
10
29
20
42
57
71
74
55
20
15
14
27
27

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
3
3
4
4
4

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
1
0
0
2
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)

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

Chance of Frost

Temperature (°C)

-17
-17
-16
-15
-13
-12
-10
-8
-6
-5
-4
-4
-5
-5
-6
-6
-6
-7
-8
-9
-9
-9
-10
-10

Feels Like (°C)

-20
-20
-19
-18
-17
-17
-14
-13
-10
-9
-8
-8
-9
-9
-10
-10
-10
-11
-12
-13
-13
-13
-14
-13

Dew Point (°C)

-20
-20
-19
-18
-17
-15
-13
-11
-9
-8
-7
-6
-7
-7
-7
-8
-8
-9
-9
-10
-11
-11
-11
-12

Relative Humidity (%)

76
75
75
75
74
75
77
77
77
77
79
82
85
85
87
87
85
87
87
88
90
88
88
87

Pressure (mb)

1020
1020
1021
1021
1020
1020
1020
1019
1018
1017
1017
1016
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016

Ozone (du)

432
427
419
411
409
404
400
397
394
393
392
391
390
390
393
396
399
401
403
404
404
398
397
404

Tuesday 10

Waning Crescent 41%

02:51

10:39

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

Sun - Rise: 06:46, Set: 17:11, Transit: 11:58. Moon - Rise: 02:51, Set: 10:39. Civil Dark: 17:40 - 06:17. Nautical Dark: 18:13 - 05:44. Astro Dark: 18:45 - 05:11

Total Clouds (% Sky Obscured)

55
44
58
75
88
73
76
49
73
73
42
26
20
14
27
41
54
69
78
85
85
87
89
83

Low Clouds (% Sky Obscured)

14
10
7
3
0
0
0
0
0
4
0
0
0
1
1
1
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
17
19
24
22
26
42
37
39
37
37
26
20
14
27
41
54
69
76
79
80
83
85
72

High Clouds (% Sky Obscured)

12
18
45
73
88
73
63
43
29
15
0
0
0
0
1
2
4
15
14
11
10
18
54
64

ISS Passover

Visibility (miles)

4
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
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)

5
5
5
5
6
7
8
9
9
9
9
8
8
8
9
8
8
8
8
7
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-14
-12
-11
-11
-9
-9
-7
-8
-8
-7
-8
-8
-10
-10
-11
-11
-11
-12
-12
-15
-13
-13

Dew Point (°C)

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

Relative Humidity (%)

85
85
80
77
77
74
76
76
75
78
79
79
78
81
76
76
77
77
78
78
78
80
80
80

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1014
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013

Ozone (du)

410
404
400
396
394
392
387
382
376
373
369
363
357
358
355
354
352
350
349
347
346
345
345
344

Wednesday 11

Waning Crescent 32%

03:48

11:19

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

Sun - Rise: 06:44, Set: 17:12, Transit: 11:58. Moon - Rise: 03:48, Set: 11:19. Civil Dark: 17:41 - 06:15. Nautical Dark: 18:14 - 05:42. Astro Dark: 18:47 - 05:10

Total Clouds (% Sky Obscured)

78
76
90
94
95
95
95
95
96
92
84
74
71
58
54
52
45
40
45
70
80
85
90
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
10
10
15
25
41

Medium Clouds (% Sky Obscured)

60
52
58
67
85
95
95
95
96
92
84
74
71
58
47
21
0
0
0
40
80
85
90
74

High Clouds (% Sky Obscured)

73
71
81
90
95
95
95
95
79
49
18
1
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
8
7
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
Snow

Precipitation Probability (%)

9
8
26
34
35
33
40
54
54
50
54
58
62
65
60
59
55
46
53
44
43
47
39
40

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
85
87
89
92
94
94
94
94
94
94
96
96
96
94
94
92
92
92
92
92
90
90

Pressure (mb)

1013
1013
1014
1013
1013
1013
1013
1012
1011
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

343
342
341
341
340
340
340
341
341
345
349
353
360
367
374
375
377
379
380
382
384
382
381
380

Thursday 12

Waning Crescent 23%

04:38

12:08

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

Sun - Rise: 06:43, Set: 17:13, Transit: 11:58. Moon - Rise: 04:38, Set: 12:08. Civil Dark: 17:42 - 06:14. Nautical Dark: 18:15 - 05:41. Astro Dark: 18:48 - 05:09

Total Clouds (% Sky Obscured)

97
96
98
99
99
98
98
96
100
95
92
95
98
98
98
96
95
94
93
93

Low Clouds (% Sky Obscured)

60
75
75
82
84
83
93
96
100
95
92
95
87
68
64
61
62
71
87
89

Medium Clouds (% Sky Obscured)

49
24
47
69
92
94
97
96
88
78
63
58
46
64
89
92
92
91
93
93

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

40
32
44
46
37
40
42
41
41
42
44
42
43
39
43
44
41
37
34
34

Precipitation Amount (mm)

0.1
0
0.2
0.2
0
0
0.1
0
0
0.1
0.1
0.1
0.1
0
0.1
0.1
0.1
0
0
0

Wind Speed/Direction (mph)

11
11
11
12
13
14
13
13
13
13
13
13
12
11
10
11
11
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
89
90
90
90
91
91
94
94
92
94
92
94
96
94
94
94
94
94
92

Pressure (mb)

1012
1012
1012
1011
1011
1011
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1007
1007

Ozone (du)

380
381
381
382
383
384
385
387
388
390
392
394
392
391
389
392
395
397
399
400

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

Generated: 06/02/26 05:30:05. Forecast: 06/02/26 to 12/02/26. Timezone: UTC-5.00