Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 4%

07:18

21:15

05 Bad
06 OK
07 Good
08 Good
09 Good
10 Good
11 OK
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: 06:45, Set: 18:57, Transit: 12:51. Moon - Rise: 07:18, Set: 21:15. Civil Dark: 19:25 - 06:18. Nautical Dark: 19:58 - 05:45. Astro Dark: 20:31 - 05:11

Total Clouds (% Sky Obscured)

51
41
4
12
12
13
21
100
100
100
100
100
100
100
99
100
100
100
100
100
94
91
77
100

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
0
30
23
7
0
0
25
27
69
75
86
82
69
61
66
56
46
69

Medium Clouds (% Sky Obscured)

0
0
0
3
9
9
14
71
77
100
100
100
100
100
99
100
100
100
91
86
48
22
0
35

High Clouds (% Sky Obscured)

3
0
2
12
0
3
9
99
90
100
100
100
100
82
29
100
100
100
100
100
51
1
0
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
4
21
95
95
58
30
23
7
6
4
6
16
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
1.1
1.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
6
5
7
6
6
7
10
12
16
18
19
17
17
18
17
16
15
14
12
10
8
7

Chance of Frost

Temperature (°C)

1
1
1
2
4
5
7
9
10
11
11
10
9
8
7
7
7
7
7
7
7
7
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
77
78
73
61
52
45
42
48
53
59
62
63
62
77
82
85
88
88
91
91
93
94
96

Pressure (mb)

1019
1019
1020
1020
1020
1020
1019
1017
1016
1014
1011
1010
1009
1009
1009
1009
1009
1009
1008
1008
1007
1007
1006
1006

Ozone (du)

398
399
398
397
395
393
393
390
388
387
389
390
391
391
393
393
394
397
400
402
404
405
402
402

Saturday 21

Waxing Crescent 10%

07:44

22:34

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Good
12 Good
13 Good
14 OK
15 Good
16 Good
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: 18:58, Transit: 12:51. Moon - Rise: 07:44, Set: 22:34. Civil Dark: 19:26 - 06:16. Nautical Dark: 19:59 - 05:43. Astro Dark: 20:33 - 05:09

Total Clouds (% Sky Obscured)

99
100
100
86
64
69
3
3
6
30
10
6
45
100
100
78
100
100
100
94
100
100
100
100

Low Clouds (% Sky Obscured)

44
37
90
76
45
25
1
1
1
1
0
0
0
0
0
0
0
1
1
25
35
28
52
12

Medium Clouds (% Sky Obscured)

99
86
100
3
50
41
0
0
0
12
3
3
24
100
50
69
100
100
75
94
100
100
100
84

High Clouds (% Sky Obscured)

40
31
35
0
0
0
0
0
2
5
5
3
22
55
100
53
100
100
96
10
100
100
98
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
4
2
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
3
3
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
20
6
14
2

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
5
5
7
11
12
15
15
15
14
14
14
13
11
9
6
6
5
4
4
4
1
2
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
94
85
70
55
48
43
38
34
31
31
32
35
39
42
42
44
46
46
47
49
51

Pressure (mb)

1006
1006
1007
1008
1009
1010
1010
1011
1011
1011
1012
1012
1013
1014
1015
1016
1016
1016
1016
1016
1016
1016
1016
1015

Ozone (du)

403
403
405
407
408
414
415
413
412
409
406
400
396
395
396
397
394
392
386
383
378
373
367
361

Sunday 22

Waxing Crescent 18%

08:15

23:54

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: 06:42, 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)

100
100
100
100
100
97
97
100
96
100
100
100
100
100
81
87
91
95
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

31
98
98
87
91
88
94
100
89
88
84
81
66
72
43
50
49
42
49
54
64
77
88
100

Medium Clouds (% Sky Obscured)

92
99
100
100
100
83
11
87
96
100
98
100
100
78
81
87
91
95
97
99
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
98
95
5
0
0
3
100
96
100
100
100
20
27
38
35
41
56
69
78
89
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
1
1
1
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
Very Light Rain
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow

Precipitation Probability (%)

2
12
41
28
26
36
63
69
73
62
51
38
31
21
30
43
92
87
79
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0.6
0.5
0.4
0.6
0.9
1.1
1.6
1

Wind Speed/Direction (mph)

5
6
7
8
9
11
12
12
12
11
10
8
6
4
4
8
10
10
11
14
13
13
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
59
63
67
57
66
70
71
71
76
83
88
90
93
94
94
94
94
94
93
94
96
98
98

Pressure (mb)

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

Ozone (du)

354
351
347
348
349
349
345
338
339
338
335
332
330
331
330
326
325
324
322
321
319
318
316
314

Monday 23

Waxing Crescent 29%

08:55

01:10

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: 06:40, 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
100
100
100
100
98
96
98
99
98
97
86
89
81

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
98
96
94
97
98
100
100
100
100
98
94
96
98
98
96
86
87
81

Medium Clouds (% Sky Obscured)

100
100
100
48
45
45
28
18
16
12
11
7
6
5
6
4
3
0
5
9
16
20
27
27

High Clouds (% Sky Obscured)

100
100
100
100
100
100
98
97
95
64
32
0
10
20
30
20
10
0
1
2
4
2
1
0

ISS Passover

Visibility (miles)

0
0
0
0
1
1
0
2
4
5
2
4
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
76
55
40
32
24
21
16
15
19
15
9
11
16
13
11

Precipitation Amount (mm)

1.5
1.4
1.4
1.3
1.3
1.9
1.4
1.1
0.9
0.4
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
16
17
20
20
19
17
18
18
16
16
15
15
14
13
12
12
11
10
9
9
9
9
9

Chance of Frost

Temperature (°C)

1
1
1
1
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
98
89
88
88
84
81
78
81
77
70
69
66
66
65
65
66
67
71
74
74
71

Pressure (mb)

1013
1013
1014
1014
1015
1016
1017
1017
1018
1018
1019
1019
1020
1020
1021
1022
1022
1022
1023
1023
1023
1023
1024
1024

Ozone (du)

314
315
315
317
320
324
328
328
330
334
335
338
343
343
343
345
346
350
355
363
368
374
381
388

Tuesday 24

Waxing Crescent 40%

09:45

02:19

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 OK
22 Good
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 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)

91
90
88
92
96
100
96
94
92
74
70
76
74
69
66
48
30
11
31
51
72
85
93
100

Low Clouds (% Sky Obscured)

89
85
81
87
94
100
89
79
73
36
32
27
24
25
26
17
9
0
3
6
8
19
30
39

Medium Clouds (% Sky Obscured)

14
51
45
45
45
45
10
2
0
0
0
0
0
0
0
1
1
2
20
37
55
71
84
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
5
8
11
23
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

18
19
26
20
23
31
22
16
18
5
6
6
12
12
3
4
6
0
1
1
0
0
1
0

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-6
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-7
-7
-7
-6
-6
-6
-5
-5

Relative Humidity (%)

69
66
64
61
58
55
53
53
53
54
53
52
51
55
58
62
62
63
65
67
68
70
72
74

Pressure (mb)

1025
1025
1026
1027
1027
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1024

Ozone (du)

394
396
406
413
414
414
413
412
410
406
401
396
390
388
385
383
384
385
387
390
392
395
400
405

Wednesday 25

First Quarter 52%

10:47

03:14

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 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 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
100
100
88
76
69
73
77
82
71
59
45
39
35
32
52
71
87
90
92
95
95
100
100

Low Clouds (% Sky Obscured)

57
74
92
77
63
49
51
53
55
46
36
29
22
14
3
2
3
4
9
14
19
22
25
27

Medium Clouds (% Sky Obscured)

98
100
100
67
37
10
33
49
34
23
12
0
0
0
0
0
0
0
11
22
33
56
78
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
4
14
20
30
41
66
82
70
70
15
15

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

Precipitation Probability (%)

18
30
42
55
61
63
49
35
25
25
23
18
15
11
1
5
6
3
2
2
0
0
0
0

Precipitation Amount (mm)

0
0
0.2
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
77
77
73
68
63
61
58
56
50
45
39
45
50
56
59
62
66
65
65
63
59
55

Pressure (mb)

1024
1023
1023
1022
1022
1021
1020
1020
1020
1019
1019
1019
1019
1020
1021
1022
1023
1024
1024
1024
1025
1025
1025
1025

Ozone (du)

410
420
429
438
444
449
454
456
458
460
456
451
447
441
436
431
426
422
418
412
405
399
393
388

Thursday 26

Waxing Gibbous 64%

11:58

03:58

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 - 04:58

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 20/03/26 05:49:53. Forecast: 20/03/26 to 26/03/26. Timezone: UTC-4.00