Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 22

Waxing Crescent 18%

08:55

23:54

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:40, Set: 18:59, Transit: 12:51. Moon - Rise: 08:55, Set: 23:54. Civil Dark: 19:27 - 06:12. Nautical Dark: 20:00 - 05:39. Astro Dark: 20:34 - 05:05

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
100
100

Low Clouds (% Sky Obscured)

100
97
75
67
74
75
72
73
100
100
100
100
99
96
90
90
98
98
97
95
100
100
100
100

Medium Clouds (% Sky Obscured)

100
98
100
100
96
97
99
93
89
94
100
99
98
100
100
100
100
100
100
95
100
97
44
40

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
79
100
48
100
100
99
66
76
100
100
100
100
100
100
100
100
85

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
40
89
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

7
6
9
95
95
91
79
62
56
77
95
95
95
95
95
95
95
94
95
84
58
42
24
28

Precipitation Amount (mm)

0
0
0
0.8
0.8
0.7
0.5
0.3
0
0.3
0.8
1.2
0.7
1.2
1
1.7
0.6
0.6
0.8
0.7
0
0
0
0

Wind Speed/Direction (mph)

11
11
13
10
12
10
7
6
3
2
11
10
11
11
11
11
12
15
15
14
14
15
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
88
93
93
93
95
96
98
98
96
91
88
88
93
93
96
93
89
88
89
89
88
86

Pressure (mb)

1010
1008
1008
1006
1005
1005
1005
1005
1006
1007
1008
1009
1009
1009
1009
1009
1008
1008
1009
1009
1010
1010
1010
1010

Ozone (du)

333
330
327
324
326
329
325
324
325
325
322
319
317
318
317
317
319
320
323
320
319
324
331
334

Monday 23

Waxing Crescent 29%

09:45

01:10

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:39, Set: 19:00, Transit: 12:50. Moon - Rise: 09:45, Set: 01:10. Civil Dark: 19:28 - 06:11. Nautical Dark: 20:01 - 05:37. Astro Dark: 20:35 - 05:04

Total Clouds (% Sky Obscured)

100
99
100
92
96
94
97
52
86
94
96
98
94
93
49
95
88
94
82
69
69
70
74
77

Low Clouds (% Sky Obscured)

100
94
87
82
86
82
81
52
75
82
88
93
81
81
49
91
78
83
66
46
45
47
58
59

Medium Clouds (% Sky Obscured)

45
41
40
31
26
24
34
33
36
34
24
21
6
3
1
1
5
8
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)

6
6
7
6
9
9
9
9
9
9
3
0
0
1
9
9
7
2
0
0
0
6
5
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
Light Rain
None
Snow
None
None
None
None
None
None
None
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

49
69
44
42
33
28
22
12
9
20
35
59
52
26
20
17
24
24
24
19
10
8
2
2

Precipitation Amount (mm)

0.1
0.5
0
0.1
0
0
0
0
0
0
0
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
80
78
77
76
74
74
77
78
83
93
100
96
80
77
81
84
87
92
89
81
73
66

Pressure (mb)

1010
1011
1011
1012
1012
1013
1014
1015
1016
1017
1018
1018
1018
1019
1020
1020
1021
1022
1023
1024
1025
1026
1027
1028

Ozone (du)

339
345
349
357
360
366
369
372
375
377
381
388
396
400
400
399
400
398
396
396
395
391
387
387

Tuesday 24

Waxing Crescent 40%

10:47

02:19

12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK
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

Sun - Rise: 06:37, Set: 19:01, Transit: 12:50. Moon - Rise: 10:47, Set: 02:19. Civil Dark: 19:29 - 06:09. Nautical Dark: 20:03 - 05:36. Astro Dark: 20:36 - 05:02

Total Clouds (% Sky Obscured)

73
71
59
55
40
36
40
29
67
84
100
100
100
100
100
100
100
100
100
100
96
75
86
80

Low Clouds (% Sky Obscured)

55
57
54
55
40
36
38
1
2
2
2
2
2
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
10
16
0
1
67
84
99
98
99
100
100
92
100
100
100
94
85
55
24
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
40
29
3
0
91
100
100
100
100
100
35
95
5
15
39
37
78
59

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 (%)

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 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)

4
3
4
5
5
6
7
11
12
12
13
13
12
13
12
12
12
10
9
9
9
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
59
54
49
46
47
51
65
70
73
77
76
74
74
69
64
63
65
66
68
66
61
54
49

Pressure (mb)

1028
1027
1027
1026
1026
1025
1025
1025
1027
1027
1026
1026
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027

Ozone (du)

385
386
391
396
398
395
395
400
403
403
403
404
404
404
405
403
401
404
415
429
440
444
442
441

Wednesday 25

First Quarter 52%

11:58

03:14

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:35, Set: 19:03, Transit: 12:50. Moon - Rise: 11:58, Set: 03:14. Civil Dark: 19:31 - 06:07. Nautical Dark: 20:04 - 05:34. Astro Dark: 20:38 - 05:00

Total Clouds (% Sky Obscured)

76
66
64
88
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
92
94

Low Clouds (% Sky Obscured)

8
2
2
2
2
1
1
1
1
5
20
45
67
85
84
78
74
89
95
100
92
83
75
72

Medium Clouds (% Sky Obscured)

59
7
41
88
100
73
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
87
80

High Clouds (% Sky Obscured)

41
19
42
70
100
67
33
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33

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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
12
19
26
38
48
53
57
56
61
66
71
75
66

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
41
36
35
37
39
44
53
59
63
61
61
60
59
58
59
62
64
69
72
72
70
70
73

Pressure (mb)

1026
1025
1025
1024
1024
1023
1023
1024
1024
1024
1024
1024
1023
1023
1022
1022
1021
1020
1019
1019
1018
1017
1016
1015

Ozone (du)

438
435
430
424
418
412
408
402
397
393
390
388
387
385
381
378
377
379
374
372
376
382
382
379

Thursday 26

Waxing Gibbous 64%

11:58

03:58

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:33, Set: 19:04, Transit: 12:49. Moon - Rise: 11:58, Set: 03:58. Civil Dark: 19:32 - 06:05. Nautical Dark: 20:05 - 05:32. Astro Dark: 20:39 - 04:58

Total Clouds (% Sky Obscured)

97
100
100
100
100
100
97
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
98

Low Clouds (% Sky Obscured)

68
66
46
28
5
2
0
0
14
28
39
56
78
76
40
40
39
26
13
0
0
0
0
24

Medium Clouds (% Sky Obscured)

40
30
38
67
82
69
74
90
99
85
71
100
100
94
87
93
100
98
96
95
66
32
0
16

High Clouds (% Sky Obscured)

67
100
100
100
100
100
97
100
100
100
100
100
100
100
99
96
91
94
97
100
94
87
81
87

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

Precipitation Probability (%)

42
6
7
8
0
4
5
1
8
13
22
71
92
95
36
52
64
59
48
35
29
23
9
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.8
0
0
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
14
12
11
10
11
11
12
13
14
16
17
17
15
9
9
9
10
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
80
83
83
80
77
81
82
82
82
81
80
79
80
81
81
83
72
63
55
50
46
43

Pressure (mb)

1014
1013
1012
1011
1011
1010
1010
1009
1009
1008
1006
1005
1004
1003
1002
1004
1004
1004
1005
1006
1007
1008
1009
1010

Ozone (du)

371
354
351
344
341
336
326
318
312
308
307
307
304
303
302
299
296
293
292
290
289
289
289
289

Friday 27

Waxing Gibbous 74%

13:13

04:32

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 OK
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 OK
10 Good
11 Good

Sun - Rise: 06:32, Set: 19:05, Transit: 12:49. Moon - Rise: 13:13, Set: 04:32. Civil Dark: 19:33 - 06:03. Nautical Dark: 20:06 - 05:30. Astro Dark: 20:40 - 04:56

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
87
74
56
42
27
22
34
43
56
47
28
6
5

Low Clouds (% Sky Obscured)

48
69
71
70
67
79
90
100
79
57
36
52
67
56
42
27
22
34
32
45
41
26
5
5

Medium Clouds (% Sky Obscured)

33
49
68
84
100
100
100
100
100
100
100
87
46
10
13
4
3
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

94
100
100
100
100
100
100
100
67
33
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
7
5
2
5
7
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
15
28
33
37
45
45
45
46
46
41
28
16
2
9
6
3
8
8
3
5
4
1
4

Precipitation Amount (mm)

0
0
0
0
0
0.1
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
13
14
15
14
13
11
10
9
9
8
8
9
10
11
11
10
9
9
8
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-6
-8
-8
-7
-6
-7
-8
-9
-10
-12
-12
-13
-14
-14
-14
-14
-13
-13
-13
-14
-14
-15
-16

Relative Humidity (%)

40
37
34
39
44
50
49
47
46
44
42
41
40
40
40
40
42
43
42
42
42
39
37
34

Pressure (mb)

1010
1011
1012
1012
1013
1014
1015
1016
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1021
1022
1023
1024
1025
1025

Ozone (du)

290
290
291
290
290
290
290
291
292
292
293
293
296
299
302
305
307
310
314
318
322
328
333
339

Saturday 28

Waxing Gibbous 83%

14:28

04:59

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

Sun - Rise: 06:30, Set: 19:06, Transit: 12:49. Moon - Rise: 14:28, Set: 04:59. Civil Dark: 19:34 - 06:02. Nautical Dark: 20:07 - 05:28. Astro Dark: 20:42 - 04:54

Total Clouds (% Sky Obscured)

5
4
3
1
0
4
8
12
11
10
10
10
11
11
18
26
33
37
38
40

Low Clouds (% Sky Obscured)

4
4
3
1
0
4
8
11
10
9
8
8
9
9
16
22
26
28
29
30

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
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

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

4
1
2
2
1
2
1
0
0
0
0
0
0
0
0
0
0
4
7
8

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-16
-17
-17
-15
-13
-12
-10
-8
-7
-8
-8
-9
-9
-9
-9
-9
-9
-9
-8
-8

Relative Humidity (%)

31
29
27
31
35
38
46
56
67
62
60
55
56
56
57
58
59
58
61
62

Pressure (mb)

1025
1025
1025
1026
1026
1026
1027
1027
1028
1029
1029
1030
1030
1030
1031
1031
1031
1031
1031
1032

Ozone (du)

343
348
352
357
363
368
373
378
384
389
395
401
409
417
424
444
464
484
484
484

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

Generated: 22/03/26 12:20:10. Forecast: 22/03/26 to 28/03/26. Timezone: UTC-4.00