Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 22

Waxing Crescent 18%

08:15

23:54

04 Bad
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

Sun - Rise: 06:42, Set: 18:59, Transit: 12:51. Moon - Rise: 08:15, Set: 23:54. Civil Dark: 19:27 - 06:14. Nautical Dark: 20:00 - 05:41. Astro Dark: 20:34 - 05:07

Total Clouds (% Sky Obscured)

84
85
92
100
100
100
98
97
100
100
100
100
100
97
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

37
57
42
75
100
100
93
84
100
76
85
84
71
56
58
80
96
86
100
100
99
89
94
90

Medium Clouds (% Sky Obscured)

84
85
92
94
35
91
94
69
49
100
82
100
100
90
88
93
91
100
100
100
100
100
100
97

High Clouds (% Sky Obscured)

51
85
92
100
37
68
57
77
100
100
100
100
100
73
100
89
100
100
72
98
100
16
96
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
2
1
6
9
9
6
9
9
7
1
4
2
4
3
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
1
3
19
27
61
67
95
95
77
60
95
39
50
51
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
2.5
2.1
0.3
0
1.8
0
0
0
0.6
1.2
1
0.9
1.1
1.3
0.8

Wind Speed/Direction (mph)

6
6
7
8
10
12
12
11
13
14
15
12
11
9
9
6
3
6
10
10
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
69
68
68
67
69
75
82
85
91
94
96
95
95
96
96
98
96
93
89
91
93
96

Pressure (mb)

1016
1016
1014
1014
1014
1013
1012
1011
1010
1008
1007
1005
1005
1004
1005
1006
1007
1007
1008
1009
1010
1010
1009
1010

Ozone (du)

349
345
344
343
340
339
335
333
332
328
325
324
325
326
322
323
324
325
322
320
317
317
319
319

Monday 23

Waxing Crescent 29%

08:55

01:10

04 Bad
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

Sun - Rise: 06:40, Set: 19:00, Transit: 12:50. Moon - Rise: 08:55, Set: 01:10. Civil Dark: 19:28 - 06:12. Nautical Dark: 20:01 - 05:39. Astro Dark: 20:35 - 05:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
97
95
97
84
53
85
89
96
97
93
91
84
93

Low Clouds (% Sky Obscured)

90
97
93
98
100
96
100
100
100
90
86
85
83
87
82
53
79
71
85
84
63
61
65
79

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
97
32
50
45
46
44
38
40
14
11
13
26
34
34
32
27
3
6

High Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

85
77
95
95
89
81
65
58
43
57
60
46
39
36
33
27
19
22
51
66
45
31
33
35

Precipitation Amount (mm)

0.4
0.2
0.7
0.6
0.5
0.4
0.2
0.3
0
0.2
0.3
0.1
0
0.1
0
0
0
0
0
0.5
0
0
0
0

Wind Speed/Direction (mph)

15
17
16
15
15
16
16
16
15
15
14
13
13
12
10
8
6
5
4
4
7
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
89
89
91
89
89
88
84
83
81
80
77
73
73
74
77
80
83
96
98
81
86
89

Pressure (mb)

1008
1008
1009
1010
1010
1010
1010
1011
1010
1011
1012
1012
1013
1014
1015
1016
1017
1017
1018
1018
1019
1019
1020
1020

Ozone (du)

320
320
319
318
318
319
325
334
340
344
348
353
361
367
371
375
383
388
393
397
400
402
401
399

Tuesday 24

Waxing Crescent 40%

09:45

02:19

04 Bad
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 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:39, Set: 19:01, Transit: 12:50. Moon - Rise: 09:45, Set: 02:19. Civil Dark: 19:29 - 06:11. Nautical Dark: 20:03 - 05:37. Astro Dark: 20:36 - 05:04

Total Clouds (% Sky Obscured)

89
93
84
80
79
62
61
58
65
97
85
60
60
48
52
76
61
81
71
85
84
71
82
91

Low Clouds (% Sky Obscured)

74
79
61
65
61
52
51
45
57
97
74
46
50
40
34
3
2
2
2
2
1
1
0
0

Medium Clouds (% Sky Obscured)

5
10
15
10
5
0
0
0
0
0
3
4
1
1
6
76
61
81
71
85
84
71
19
91

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
47
2
0
4
5
5
15
20
30

ISS Passover

Visibility (miles)

0
0
0
2
2
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 (%)

34
31
18
11
3
6
1
0
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
94
92
89
87
80
74
68
63
57
52
46
43
45
51
71
76
77
76
74
73
69
65
65

Pressure (mb)

1021
1022
1023
1024
1026
1027
1027
1028
1027
1027
1026
1026
1025
1025
1025
1025
1026
1026
1025
1025
1025
1024
1024
1024

Ozone (du)

398
400
399
399
398
398
400
404
403
404
405
403
402
401
398
399
400
398
400
404
406
403
405
406

Wednesday 25

First Quarter 52%

10:47

03:14

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 OK
13 OK
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

Sun - Rise: 06:37, Set: 19:03, Transit: 12:50. Moon - Rise: 10:47, Set: 03:14. Civil Dark: 19:31 - 06:09. Nautical Dark: 20:04 - 05:36. Astro Dark: 20:38 - 05:02

Total Clouds (% Sky Obscured)

100
97
95
92
81
61
22
45
44
44
59
75
91
94
97
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
2
17
17
15
5
1
46
48
58
79
88
89
84
79

Medium Clouds (% Sky Obscured)

100
97
95
92
81
59
6
9
44
44
29
60
91
94
97
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

25
15
14
0
7
5
7
9
10
12
21
30
39
59
80
100
67
33
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
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
6
15
23
32
58
76

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
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
69
70
70
70
60
52
46
43
41
38
36
38
42
49
54
64
66
67
65
66
67
66
67

Pressure (mb)

1025
1025
1025
1026
1026
1026
1026
1026
1025
1025
1024
1023
1023
1022
1023
1023
1024
1024
1024
1024
1023
1023
1022
1021

Ozone (du)

405
405
409
419
429
438
442
441
437
434
429
423
416
412
408
403
398
394
393
390
386
383
379
377

Thursday 26

Waxing Gibbous 64%

11:58

03:58

04 Bad
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

Sun - Rise: 06:35, Set: 19:04, Transit: 12:49. Moon - Rise: 11:58, Set: 03:58. Civil Dark: 19:32 - 06:07. Nautical Dark: 20:05 - 05:34. Astro Dark: 20:39 - 05:00

Total Clouds (% Sky Obscured)

100
99
97
96
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
79
85
91
94
97
100
100
100
100
96
89
85
63
38
13
11
10
7
17
32
44
43
42

Medium Clouds (% Sky Obscured)

100
98
96
92
85
74
68
84
83
88
100
59
55
71
64
90
91
93
94
90
91
91
93
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
33
68
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
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

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

Precipitation Probability (%)

92
89
87
86
88
88
77
57
42
18
6
3
0
4
6
5
12
9
1
2
3
3
42
60

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
69
71
76
83
85
86
87
84
82
82
84
73
76
76
77
77
78
78
78
81
83
85
87

Pressure (mb)

1021
1020
1019
1019
1018
1017
1016
1014
1014
1013
1013
1012
1011
1011
1010
1010
1009
1008
1008
1007
1006
1006
1005
1005

Ozone (du)

375
374
371
368
364
364
363
362
364
357
353
346
334
327
321
318
315
313
310
308
305
302
299
296

Friday 27

Waxing Gibbous 74%

13:13

03:58

04 Bad
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

Sun - Rise: 06:33, Set: 19:05, Transit: 12:49. Moon - Rise: 13:13, Set: 03:58. Civil Dark: 19:33 - 06:05. Nautical Dark: 20:06 - 05:32. Astro Dark: 20:40 - 04:58

Total Clouds (% Sky Obscured)

100
100
100
100
91
80
70
76
81
87
91
96
100
100
100
100
100
100
100
100
100
100
78
54

Low Clouds (% Sky Obscured)

38
26
13
0
0
0
0
24
48
72
71
70
69
79
90
100
79
57
36
52
64
75
69
54

Medium Clouds (% Sky Obscured)

100
94
89
82
68
47
15
24
43
61
72
87
99
100
100
100
100
100
100
98
96
89
61
32

High Clouds (% Sky Obscured)

100
100
99
99
88
77
67
59
52
44
52
66
84
99
100
100
67
33
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

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

Precipitation Probability (%)

67
62
52
35
30
23
8
10
12
15
24
27
28
36
39
41
44
44
41
28
16
2
9
6

Precipitation Amount (mm)

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
0

Wind Speed/Direction (mph)

9
9
10
10
11
12
12
12
12
11
11
12
12
12
12
11
10
10
10
10
10
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
7
5
3
1
-2
-4
-5
-6
-6
-6
-7
-8
-8
-9
-9
-9
-10
-12
-13
-13
-14
-14
-14

Relative Humidity (%)

85
85
78
69
61
52
46
39
38
36
35
35
35
35
36
38
40
39
38
36
36
37
37
37

Pressure (mb)

1005
1005
1006
1008
1009
1009
1010
1011
1012
1012
1013
1013
1014
1014
1015
1016
1017
1017
1018
1018
1018
1019
1019
1020

Ozone (du)

294
292
290
288
286
288
289
290
290
290
290
290
290
290
291
292
293
293
292
291
291
292
292
294

Saturday 28

Waxing Gibbous 83%

14:28

04:32

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

Sun - Rise: 06:32, Set: 19:06, Transit: 12:49. Moon - Rise: 14:28, Set: 04:32. Civil Dark: 19:34 - 06:03. Nautical Dark: 20:07 - 05:30. Astro Dark: 20:42 - 04:56

Total Clouds (% Sky Obscured)

29
18
9
0
0
0
0
0
0
0
1
2
4
31
61
90
62
32
5
4
2
0

Low Clouds (% Sky Obscured)

29
18
9
0
0
0
0
0
0
0
1
2
3
31
47
33
19
8
1
1
1
0

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
1
3
8
16
16
4
2
1
1
0
0

High Clouds (% Sky Obscured)

2
6
4
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

Fog (%)

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

Precipitation Probability (%)

3
5
5
2
3
3
1
2
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-7
-7
-7
-6
-6
-6
-6
-6
-2
-1
-1
-1
-0
0
-5
-5
-6
-6
-6

Dew Point (°C)

-14
-15
-15
-15
-16
-17
-17
-18
-19
-19
-19
-18
-17
-16
-14
-12
-9
-10
-10
-10
-9
-9

Relative Humidity (%)

37
36
36
35
34
30
27
24
23
21
19
21
22
24
31
38
49
50
51
53
55
57

Pressure (mb)

1021
1021
1022
1023
1024
1025
1026
1026
1026
1026
1027
1027
1027
1027
1028
1029
1030
1030
1031
1031
1032
1032

Ozone (du)

295
297
301
306
310
313
316
319
321
323
325
326
328
330
335
340
344
353
362
371
373
375

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

Generated: 22/03/26 04:24:23. Forecast: 22/03/26 to 28/03/26. Timezone: UTC-4.00