Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 13%

07:51

21:16

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
05 Bad

Sun - Rise: 06:32, Set: 17:24, Transit: 11:58. Moon - Rise: 07:51, Set: 21:16. Civil Dark: 17:52 - 06:03. Nautical Dark: 18:25 - 05:29. Astro Dark: 18:57 - 04:57

Total Clouds (% Sky Obscured)

72
78
83
86
100
100
100
100
100
99
97
100
100
100
100
100
100
100
100
95
97
99
94
97

Low Clouds (% Sky Obscured)

34
27
1
7
10
26
71
70
86
96
86
95
100
100
100
100
100
100
100
84
83
95
82
80

Medium Clouds (% Sky Obscured)

72
78
83
86
100
100
100
100
100
98
94
66
92
97
70
63
66
38
33
42
41
36
38
87

High Clouds (% Sky Obscured)

72
78
83
86
100
100
100
63
11
78
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
8
7
3
2
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
1
0
0
5
7
2
0

Precipitation Type

None
None
None
None
None
Snow
None
Snow
Snow
Light Rain
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Light Rain
Very Light Rain
Very Light Rain
None
None
Snow

Precipitation Probability (%)

0
0
0
0
9
49
30
62
95
95
95
95
95
95
95
95
95
95
95
71
58
45
32
37

Precipitation Amount (mm)

0
0
0
0
0
0.3
0
0.2
0.7
1.4
1.6
1.4
1
1.2
0.6
0.5
0.6
0.8
0.9
0.3
0.3
0
0
0.1

Wind Speed/Direction (mph)

3
3
1
2
3
4
5
5
7
9
9
11
10
11
10
10
11
8
8
8
8
8
7
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
89
86
88
89
93
93
96
100
100
98
98
100
100
100
98
100
100
100
100
98
98

Pressure (mb)

1016
1016
1017
1016
1015
1015
1014
1012
1011
1009
1008
1007
1007
1006
1005
1005
1003
1003
1003
1004
1004
1004
1005
1006

Ozone (du)

384
382
379
375
372
368
368
367
370
368
371
369
373
376
378
382
384
382
382
383
389
395
397
399

Saturday 21

Waxing Crescent 21%

08:14

22:31

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
05 Bad

Sun - Rise: 06:30, Set: 17:25, Transit: 11:57. Moon - Rise: 08:14, Set: 22:31. Civil Dark: 17:53 - 06:02. Nautical Dark: 18:26 - 05:28. Astro Dark: 18:58 - 04:55

Total Clouds (% Sky Obscured)

100
100
99
94
96
94
100
94
91
94
96
98
97
99
96
93
97
78
52
72
79
82
90
94

Low Clouds (% Sky Obscured)

91
89
84
82
86
90
100
94
80
85
88
89
92
98
91
86
87
73
52
45
54
73
70
80

Medium Clouds (% Sky Obscured)

94
52
39
16
9
0
0
18
21
33
87
97
95
89
76
76
90
53
41
25
49
42
24
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
8
15
2
2
0
0
0
0
0
3
4

ISS Passover

Visibility (miles)

0
0
0
1
1
0
3
8
9
9
5
9
0
0
1
9
9
9
9
9
9
9
9
9

Fog (%)

1
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
55
52
33
25
18
12
6
16
8
5
30
43
47
41
24
10
6
4
1
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
1
0
0
-0
-1
-0
-0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
94
92
89
91
92
89
89
86
87
87
91
94
91
86
86
81
83
84
86
87
87
86

Pressure (mb)

1007
1008
1010
1011
1012
1013
1013
1013
1014
1014
1015
1016
1017
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021

Ozone (du)

401
402
404
407
401
395
394
393
393
395
398
401
403
403
405
406
407
402
398
398
398
397
393
392

Sunday 22

Waxing Crescent 32%

08:41

23:49

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
05 Bad

Sun - Rise: 06:29, Set: 17:26, Transit: 11:57. Moon - Rise: 08:41, Set: 23:49. Civil Dark: 17:54 - 05:59. Nautical Dark: 18:27 - 05:26. Astro Dark: 18:59 - 04:54

Total Clouds (% Sky Obscured)

91
98
100
100
94
98
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

86
97
100
100
83
93
100
100
100
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

13
10
17
18
17
20
87
85
97
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
84
33
5
4
5
5
100
100
13
7
9
5
5
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
6
7
9
9
6
7
9
9
9
5
1
1
1
0
1
0
1
2
2
2

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
10
4
10
16
12
4
17
13
20
15
36
44
56
61
72
91
93
73
64
72
77

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.3
0.6
0.6
0.3
0.2
0.3
0.3

Wind Speed/Direction (mph)

6
8
7
9
10
11
9
10
11
11
13
13
13
13
15
15
16
18
19
19
22
23
25
27

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
86
84
84
81
83
86
84
84
83
81
81
83
84
91
92
94
96
94
96
94
93
93
93

Pressure (mb)

1022
1021
1022
1022
1022
1021
1021
1020
1020
1019
1018
1018
1018
1018
1017
1016
1015
1013
1012
1011
1010
1008
1007
1006

Ozone (du)

393
389
388
390
389
387
384
383
381
381
381
382
387
387
389
389
393
392
393
399
402
407
409
405

Monday 23

Waxing Crescent 43%

09:14

01:06

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
05 OK

Sun - Rise: 06:27, Set: 17:27, Transit: 11:57. Moon - Rise: 09:14, Set: 01:06. Civil Dark: 17:56 - 05:57. Nautical Dark: 18:28 - 05:25. Astro Dark: 19:01 - 04:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
71
30

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
91
86
87
88
88
91
90
91
87
82
61
51
33
20
11
6

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
71
94
55
100
100
100
100
72
100
100
100
21
94
86
57
3
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
67
30

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
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
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
79
70
58
59
53
42
32
26
17
8
3
1
0
0

Precipitation Amount (mm)

0.6
0.8
0.7
1.2
1.6
1.3
1.1
0.8
0.7
0.6
0.3
0.2
0.1
0.2
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

28
29
30
30
31
32
30
27
26
25
23
22
21
20
18
15
16
16
16
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-11
-11
-11
-12
-12
-12
-11
-11
-11
-10
-9
-9
-8
-7
-8
-9
-9
-9
-10
-11
-12
-11

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
94
94
94
94
94
92
92
92
92
91
91
94
96
91
89
91
84
81
79
77
77

Pressure (mb)

1005
1004
1003
1003
1002
1001
1000
999
999
998
998
999
999
999
1000
1000
1001
1001
1002
1003
1003
1004
1004
1005

Ozone (du)

402
405
406
413
415
415
427
438
447
451
447
438
431
425
419
414
412
410
413
415
417
413
412
412

Tuesday 24

First Quarter 55%

09:56

02:20

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

Sun - Rise: 06:26, Set: 17:28, Transit: 11:57. Moon - Rise: 09:56, Set: 02:20. Civil Dark: 17:57 - 05:56. Nautical Dark: 18:29 - 05:23. Astro Dark: 19:02 - 04:51

Total Clouds (% Sky Obscured)

1
2
2
19
5
2
14
28
35
54
65
78
25
30
33
38
50
61
75
65
56
57
67
67

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
18
24
24
26
28
32
31

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
6
13
19
14
11
6
6
9
21
41
48
58
42
37
57
67
67

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
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 (%)

0
0
0
0
0
0
0
0
9
1
2
7
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)

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

Chance of Frost

Temperature (°C)

-6
-6
-5
-4
-3
-2
-1
0
1
1
1
0
-2
-3
-4
-5
-6
-7
-7
-7
-7
-6
-6
-5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
80
81
81
79
76
78
84
88
86
83
86
87
86
87
89
89
89
87
87
87
85
85
87

Pressure (mb)

1006
1008
1009
1009
1010
1010
1010
1010
1011
1011
1012
1012
1013
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017

Ozone (du)

415
419
415
417
409
399
405
402
399
410
415
414
412
410
414
417
420
423
427
430
429
428
427
432

Wednesday 25

Waxing Gibbous 67%

10:49

03:24

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
05 Bad

Sun - Rise: 06:24, Set: 17:30, Transit: 11:57. Moon - Rise: 10:49, Set: 03:24. Civil Dark: 17:58 - 05:54. Nautical Dark: 18:30 - 05:22. Astro Dark: 19:03 - 04:49

Total Clouds (% Sky Obscured)

72
88
87
82
88
94
100
100
100
100
100
100
100
97
93
89
93
96
100
100
99
99
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
8
16
24
18
12
6
4
2
0
16
32
47
58
67
76
71
66
66
64
65

Medium Clouds (% Sky Obscured)

34
45
46
36
45
56
66
77
87
97
97
97
97
96
93
89
93
87
87
93
96
99
100
100

High Clouds (% Sky Obscured)

70
47
23
0
23
45
68
60
51
37
54
77
100
97
93
89
93
96
100
87
75
65
64
60

ISS Passover

Visibility (miles)

4
1
2
4
6
4
2
0
3
6
9
9
9
9
9
9
9
9
9
9
9
9
9
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 (%)

0
4
6
3
11
16
21
23
20
15
15
11
1
1
4
0
3
11
22
39
47
50
49
45

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

Chance of Frost

Temperature (°C)

-5
-5
-3
-1
1
2
1
2
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

-7
-6
-4
-2
-1
1
1
2
2
3
2
2
2
1
1
1
1
1
1
1
1
1
2
2

Relative Humidity (%)

89
90
91
91
91
93
96
98
96
98
96
94
94
91
93
91
93
93
93
93
93
94
96
96

Pressure (mb)

1017
1017
1017
1016
1016
1015
1014
1013
1013
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012

Ozone (du)

436
441
439
437
436
439
442
445
446
446
446
445
444
443
446
450
453
451
449
447
443
438
434
431

Thursday 26

Waxing Gibbous 78%

11:55

04:17

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: 06:22, Set: 17:31, Transit: 11:57. Moon - Rise: 11:55, Set: 04:17. Civil Dark: 17:59 - 05:53. Nautical Dark: 18:32 - 05:20. Astro Dark: 19:04 - 04:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
91
93
96
95
95
90
90
85
80
80

Low Clouds (% Sky Obscured)

63
64
75
78
77
90
96
100
96
91
93
78
35
30
25
30
40
70
70

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
95
83
60
50
30
50
83
86
83
85
80
80

High Clouds (% Sky Obscured)

77
85
88
100
100
100
100
67
33
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
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

Precipitation Type

None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

33
33
32
31
47
56
60
62
65
65
55
56
49
62
74
83
84
86
87

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.2
0.3
0.3
0.3
0
0.2
0
0.3
0.4
0.5
0.5
0.5
0.6

Wind Speed/Direction (mph)

7
6
6
6
6
4
3
2
3
4
5
4
4
4
4
5
6
7
9

Chance of Frost

Temperature (°C)

2
2
3
3
3
3
3
3
3
3
3
2
2
2
2
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

2
2
2
3
3
2
2
3
3
3
3
2
2
2
1
1
1
1
1

Relative Humidity (%)

96
98
98
100
100
98
98
98
100
100
100
100
100
100
98
100
100
100
98

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016

Ozone (du)

429
427
426
425
423
424
424
424
423
422
421
419
418
417
417
418
418
415
411

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

Generated: 20/02/26 06:44:27. Forecast: 20/02/26 to 26/02/26. Timezone: UTC-5.00