Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 5

Waning Gibbous 79%

21:30

08:55

16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 OK
23 OK
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
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:51, Set: 17:04, Transit: 11:58. Moon - Rise: 21:30, Set: 08:55. Civil Dark: 17:34 - 06:21. Nautical Dark: 18:07 - 05:48. Astro Dark: 18:40 - 05:15

Total Clouds (% Sky Obscured)

16
15
16
11
11
14
30
32
81
81
99
91
63
80
100
85
93
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

16
15
15
2
2
2
2
2
34
63
65
46
43
67
100
67
76
100
71
98
100
93
83
71

Medium Clouds (% Sky Obscured)

4
1
1
1
1
5
9
8
7
16
56
27
2
40
35
33
45
53
74
100
100
100
100
97

High Clouds (% Sky Obscured)

0
0
1
2
4
10
21
23
62
62
98
24
60
40
40
25
25
30
100
96
100
100
94
30

ISS Passover

Visibility (miles)

9
9
9
9
8
8
8
8
8
7
6
1
1
0
0
3
2
2
2
4
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
6
12
10
0
0
0
0
0
0
0
1
0
2
2

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
1
12
12
2
0
0
3
4
14
5
7
4
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
80
81
79
77
82
84
85
88
92
92
92
92
87
85
87
87
84
78
72
75
75
76

Pressure (mb)

1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1008
1007
1006
1006
1005

Ozone (du)

385
389
391
392
397
390
385
387
392
392
390
388
390
392
395
398
399
400
401
401
405
404
398
396

Friday 6

Waning Gibbous 70%

22:36

09:15

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:49, Set: 17:06, Transit: 11:58. Moon - Rise: 22:36, Set: 09:15. Civil Dark: 17:35 - 06:20. Nautical Dark: 18:08 - 05:47. Astro Dark: 18:41 - 05:14

Total Clouds (% Sky Obscured)

99
99
99
98
98
95
97
65
98
99
100
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
72
70
51
44
26
24
34
66
67
72
78
76
80
78
80
83
93
92
88
88
88
100
73

Medium Clouds (% Sky Obscured)

97
96
96
95
94
94
95
50
89
96
99
97
100
100
100
100
100
100
100
100
100
99
100
100

High Clouds (% Sky Obscured)

25
19
1
1
0
0
0
0
12
25
25
10
33
35
22
35
30
35
55
45
3
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
9
9
6
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
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

3
0
0
0
0
0
0
1
1
2
8
22
33
48
57
56
52
55
62
64
66
65
73
61

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.3
0.2
0.2
0.2
0.3
0.3
0.3
0.2
0.4
0.2

Wind Speed/Direction (mph)

4
3
2
2
2
3
3
4
4
4
4
3
3
2
2
2
3
3
2
3
4
6
7
9

Chance of Frost

Temperature (°C)

-3
-3
-4
-4
-4
-4
-4
-5
-6
-6
-6
-6
-6
-5
-5
-5
-5
-4
-4
-3
-3
-3
-3
-3

Feels Like (°C)

-6
-6
-7
-7
-7
-8
-8
-9
-8
-10
-10
-10
-9
-8
-8
-8
-8
-7
-7
-6
-6
-6
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

79
81
79
81
82
85
85
87
87
87
85
87
90
96
96
94
94
94
94
94
94
94
94
96

Pressure (mb)

1005
1005
1005
1005
1004
1004
1004
1003
1003
1002
1002
1001
1001
1000
1000
1000
1000
1000
1000
1001
1000
1000
1000
1001

Ozone (du)

391
393
400
406
406
409
415
413
413
408
411
411
422
430
436
443
450
456
452
454
456
457
453
459

Saturday 7

Waning Gibbous 61%

23:41

09:38

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 Good
12 Good
13 Good
14 Good
15 Good

Sun - Rise: 06:48, Set: 17:07, Transit: 11:58. Moon - Rise: 23:41, Set: 09:38. Civil Dark: 17:36 - 06:19. Nautical Dark: 18:09 - 05:46. Astro Dark: 18:42 - 05:13

Total Clouds (% Sky Obscured)

99
97
98
99
96
98
99
99
93
80
54
55
56
65
46
49
36
31
0
3
7
6
3
4

Low Clouds (% Sky Obscured)

91
83
87
78
67
75
83
82
75
73
51
48
54
64
46
46
36
31
0
1
2
2
1
1

Medium Clouds (% Sky Obscured)

96
95
97
96
83
93
99
97
85
62
5
9
5
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)

0
0
0
0
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

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

Precipitation Probability (%)

48
54
49
26
7
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.1
0.2
0.2
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)

12
20
19
20
19
19
18
18
18
17
18
18
17
16
15
15
15
15
15
15
15
15
15
14

Chance of Frost

Temperature (°C)

-6
-9
-10
-11
-12
-14
-14
-15
-15
-16
-16
-17
-17
-18
-18
-18
-18
-17
-16
-15
-14
-13
-13
-13

Feels Like (°C)

-10
-16
-18
-19
-20
-22
-22
-22
-23
-23
-24
-23
-24
-24
-24
-24
-24
-23
-22
-20
-19
-19
-18
-18

Dew Point (°C)

-6
-10
-11
-13
-15
-17
-17
-18
-18
-19
-20
-20
-21
-21
-21
-22
-22
-21
-20
-19
-18
-17
-17
-16

Relative Humidity (%)

94
90
90
86
81
76
75
75
75
75
75
75
73
72
73
70
71
71
72
72
73
73
73
73

Pressure (mb)

1002
1004
1006
1007
1009
1010
1011
1011
1012
1013
1013
1014
1014
1015
1016
1017
1018
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

462
469
475
486
504
489
478
476
476
475
467
461
466
472
476
474
474
472
473
475
476
472
464
464

Sunday 8

Waning Gibbous 51%

00:46

10:06

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

Sun - Rise: 06:47, Set: 17:08, Transit: 11:58. Moon - Rise: 00:46, Set: 10:06. Civil Dark: 17:37 - 06:18. Nautical Dark: 18:10 - 05:45. Astro Dark: 18:43 - 05:12

Total Clouds (% Sky Obscured)

4
9
59
57
58
42
35
23
15
10
7
1
1
2
2
10
18
24
30
34
53
44
31
15

Low Clouds (% Sky Obscured)

1
1
0
4
8
29
26
23
15
10
2
1
1
2
1
2
1
1
11
19
52
41
29
15

Medium Clouds (% Sky Obscured)

1
4
59
57
58
42
35
23
15
10
7
1
0
0
0
2
4
4
2
1
0
0
1
3

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
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

-12
-13
-14
-15
-15
-16
-16
-17
-17
-17
-17
-18
-18
-18
-18
-18
-16
-15
-14
-12
-11
-9
-8
-7

Feels Like (°C)

-18
-19
-20
-22
-22
-22
-23
-23
-23
-23
-24
-23
-22
-22
-22
-21
-20
-19
-19
-17
-16
-14
-13
-11

Dew Point (°C)

-16
-17
-18
-19
-19
-20
-20
-20
-20
-21
-21
-21
-21
-22
-21
-21
-20
-19
-18
-16
-15
-13
-12
-11

Relative Humidity (%)

72
71
71
72
71
74
74
76
74
74
74
73
73
73
76
76
75
73
71
70
69
71
72
76

Pressure (mb)

1017
1017
1018
1018
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016

Ozone (du)

466
468
470
473
473
468
463
458
455
454
452
447
444
435
428
423
419
414
409
403
400
397
399
400

Monday 9

Third Quarter 41%

01:50

10:39

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

Sun - Rise: 06:46, Set: 17:09, Transit: 11:58. Moon - Rise: 01:50, Set: 10:39. Civil Dark: 17:38 - 06:17. Nautical Dark: 18:12 - 05:44. Astro Dark: 18:44 - 05:11

Total Clouds (% Sky Obscured)

6
4
2
4
2
13
8
7
6
27
35
24
12
14
75
72
64
60
42
26
16
14
14
13

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

2
1
2
1
0
4
8
3
2
2
2
2
2
2
14
14
15
15
20
14
7
4
2
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
0
0
0
0
4
21
29
51
38
14
4
7
11
7

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)

10
8
8
9
8
8
8
8
8
7
7
7
6
6
6
6
6
7
8
7
7
6
5
5

Chance of Frost

Temperature (°C)

-6
-8
-9
-10
-11
-12
-13
-13
-14
-15
-15
-16
-16
-16
-17
-16
-14
-12
-9
-7
-5
-3
-3
-2

Feels Like (°C)

-10
-10
-12
-13
-14
-15
-16
-16
-17
-17
-19
-20
-19
-19
-20
-20
-20
-20
-20
-19
-17
-16
-6
-5

Dew Point (°C)

-10
-11
-12
-12
-13
-14
-15
-16
-16
-17
-18
-18
-18
-19
-20
-19
-17
-15
-13
-11
-9
-7
-6
-5

Relative Humidity (%)

76
79
80
83
83
83
81
83
83
81
81
81
81
80
80
80
79
76
75
76
77
76
78
81

Pressure (mb)

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

Ozone (du)

403
405
410
415
417
416
414
412
412
413
410
407
403
400
399
398
396
395
394
396
398
400
394
388

Tuesday 10

Waning Crescent 32%

02:51

11:19

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

Sun - Rise: 06:44, Set: 17:11, Transit: 11:58. Moon - Rise: 02:51, Set: 11:19. Civil Dark: 17:40 - 06:15. Nautical Dark: 18:13 - 05:42. Astro Dark: 18:45 - 05:10

Total Clouds (% Sky Obscured)

20
28
33
21
18
19
20
22
23
23
26
38
53
59
75
77
81
88
84
82
88
91
93
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
17
22
23
23
26
38
53
59
75
77
71
64
59
53
49
50
52
59

Medium Clouds (% Sky Obscured)

18
28
33
21
18
16
8
10
12
8
13
13
21
29
43
69
77
73
54
36
48
80
89
95

High Clouds (% Sky Obscured)

4
3
3
4
5
5
5
5
5
4
18
38
53
59
75
62
31
0
0
0
0
0
0
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
6
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
3
4
4
16
25
31
44
53
54
42
30
12
8
4
3
11
15
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
5
5
5
6
6
6
6
6
5
5
5
5
5
5
5
6
5
4
4
3
3

Chance of Frost

Temperature (°C)

-1
-1
-2
-3
-4
-5
-7
-8
-10
-11
-11
-10
-10
-11
-11
-11
-10
-8
-6
-6
-5
-4
-4
-3

Feels Like (°C)

-5
-3
-1
1
-6
-7
-8
-8
-10
-10
-14
-13
-13
-13
-13
-12
-15
-14
-15
-14
-13
-13
-8
-7

Dew Point (°C)

-4
-4
-4
-5
-7
-8
-9
-10
-13
-14
-14
-13
-14
-14
-14
-14
-13
-11
-9
-9
-8
-7
-6
-5

Relative Humidity (%)

83
83
84
84
82
82
82
80
78
78
76
77
77
76
78
80
78
79
79
79
82
82
85
86

Pressure (mb)

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

Ozone (du)

383
377
372
367
363
359
355
352
348
345
343
341
340
338
336
335
334
334
333
332
331
330
331
332

Wednesday 11

Waning Crescent 23%

03:48

12:08

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

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

Total Clouds (% Sky Obscured)

98
98
98
99
99
99
98
97
90
100
90
86
93
97
98
97
93
91
89
90
93

Low Clouds (% Sky Obscured)

68
78
86
86
91
92
82
89
90
99
90
86
93
76
41
37
33
38
58
84
90

Medium Clouds (% Sky Obscured)

98
98
98
99
99
99
98
97
90
68
45
24
24
33
31
28
45
63
72
86
93

High Clouds (% Sky Obscured)

40
50
80
80
65
50
30
15
5
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
2
1
0
0
0
0
0
0
0
3
5
8
5
3
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

Precipitation Type

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

Precipitation Probability (%)

24
29
33
39
42
43
43
41
37
31
26
16
14
13
9
16
26
24
25
32
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
2
2
3
3
4
5
7
8
8
8
7
8
8
8
9
10
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
92
94
94
94
94
94
94
94
92
89
84
87
90
94
96
94
96
94
94

Pressure (mb)

1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1010

Ozone (du)

333
335
337
339
342
344
346
347
348
349
351
352
354
355
357
358
360
361
363
365
367

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

Generated: 05/02/26 16:02:16. Forecast: 05/02/26 to 11/02/26. Timezone: UTC-5.00