Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 10%

07:44

21:15

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

Sun - Rise: 06:44, Set: 18:58, Transit: 12:51. Moon - Rise: 07:44, Set: 21:15. Civil Dark: 19:25 - 06:16. Nautical Dark: 19:58 - 05:43. Astro Dark: 20:31 - 05:09

Total Clouds (% Sky Obscured)

90
92
94
100
100
100
100
100
100
100
76
44
98
94
90
44
24
13
5
46
44
45
62
100

Low Clouds (% Sky Obscured)

37
82
83
84
84
88
86
95
86
70
43
39
85
88
84
44
24
13
0
10
0
0
0
0

Medium Clouds (% Sky Obscured)

90
92
94
100
100
100
100
100
75
48
29
0
67
0
0
0
0
0
0
45
44
8
1
47

High Clouds (% Sky Obscured)

84
92
94
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
1
25
7
30
48
100

ISS Passover

Visibility (miles)

9
9
3
3
2
5
5
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
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
None

Precipitation Probability (%)

79
95
95
95
95
95
72
48
14
12
2
3
5
4
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
1.5
1
1.6
1.2
1
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
15
13
15
14
14
12
9
8
7
6
5
6
7
7
8
10
11
11
11
10
10
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
68
77
85
90
90
93
93
93
93
93
96
96
91
90
76
63
54
49
44
40
39
41
47

Pressure (mb)

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

Ozone (du)

392
393
391
393
394
397
398
399
398
403
405
405
408
410
412
414
411
410
408
407
402
391
386
384

Saturday 21

Waxing Crescent 18%

08:15

22:34

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:42, Set: 18:59, Transit: 12:51. Moon - Rise: 08:15, Set: 22:34. Civil Dark: 19:26 - 06:14. Nautical Dark: 19:59 - 05:41. Astro Dark: 20:33 - 05:07

Total Clouds (% Sky Obscured)

100
99
100
100
99
100
97
98
95
100
100
100
100
100
100
100
97
94
92
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
0
0
5
26
27
29
63
38
55
46
73
59
86
79
93
86
70
71
68
81
77
57
65

Medium Clouds (% Sky Obscured)

97
97
100
100
84
100
94
94
92
99
100
99
96
99
52
88
82
76
48
85
100
100
100
100

High Clouds (% Sky Obscured)

100
94
100
100
58
64
56
54
25
10
45
43
100
74
73
83
12
23
38
97
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
8
9
9
9
8
3
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
Light Rain
Very Light Rain
None
None
None
Moderate Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
1
3
2
1
1
1
17
17
38
28
26
19
63
55
20
11
40
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0
0
0
4.2
2.3
1
1.1

Wind Speed/Direction (mph)

6
5
4
4
4
4
3
4
6
7
8
9
10
11
11
14
14
14
12
10
8
7
5
4

Chance of Frost

Temperature (°C)

6
5
5
4
4
4
4
4
4
4
4
4
4
4
5
6
7
8
10
11
12
11
10
10

Feels Like (°C)

2
2
2
1
1
1
1
1
0
0
-0
-0
-1
0
0
1
2
4
6
8
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

61
70
72
69
68
71
68
68
68
73
77
80
80
82
88
88
90
90
82
79
80
81
91
95

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1014
1013
1013
1012
1011
1011
1010
1009
1009
1007
1005
1004
1003
1004
1003
1004

Ozone (du)

381
379
376
377
371
367
365
359
354
349
347
345
347
347
343
340
339
339
338
334
329
327
327
328

Sunday 22

Waxing Crescent 29%

08:55

23:54

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:40, Set: N/A, Transit: 12:50. 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
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
99
99
98
82

Low Clouds (% Sky Obscured)

68
62
62
94
100
95
91
91
94
95
97
100
98
100
100
98
96
100
100
97
95
91
89
82

Medium Clouds (% Sky Obscured)

54
98
100
100
100
100
100
59
98
82
9
5
5
5
5
10
8
16
20
24
19
18
13
12

High Clouds (% Sky Obscured)

86
12
0
15
98
100
100
100
99
100
99
100
95
95
95
95
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
2
5
8
3
7
9
8
9
9
6
9
9
4
3
3
4
4
4
5
6
6
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

78
95
91
88
64
95
95
95
95
95
95
95
95
95
95
95
94
45
28
42
54
67
62
58

Precipitation Amount (mm)

0.2
1.4
0.5
0.5
0.2
1.5
3.6
5
2.5
2.3
0.7
1.4
1.9
0.7
2.4
1.3
0.9
0
0
0.1
0.2
0.4
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
8
7
7
7
4
4
3
3
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
90
90
88
88
89
88
82
82
85
83
84
86
83
81
78
76
74
71
71
71
73
67

Pressure (mb)

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

Ozone (du)

329
327
325
325
324
323
322
323
323
325
328
331
332
334
339
345
352
356
358
356
356
355
357
359

Monday 23

Waxing Crescent 40%

09:45

01:10

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 OK
14 Bad
15 OK
16 OK
17 Bad
18 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)

69
78
79
97
94
90
87
89
91
94
90
89
86
71
57
46
44
47
44
47
42
39
52
67

Low Clouds (% Sky Obscured)

69
78
79
92
88
83
80
85
89
93
84
77
68
63
48
39
44
47
44
44
42
39
32
20

Medium Clouds (% Sky Obscured)

11
14
14
16
14
21
19
25
32
39
23
14
12
6
3
0
0
0
0
0
0
0
15
60

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
4
0
0
0
0
2
0
0
4
6
9
9
9
9
8
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
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

48
41
33
24
29
39
43
50
52
49
54
53
38
29
24
8
11
13
4
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
70
71
71
73
81
94
94
96
92
91
91
89
78
74
66
60
57
57
53
50
46
44
47

Pressure (mb)

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

Ozone (du)

363
363
366
370
376
384
390
394
394
395
398
402
407
412
413
410
408
408
405
403
401
399
397
397

Tuesday 24

Waxing Crescent 52%

10:47

02:19

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
16 Bad
17 Bad
18 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)

75
87
93
85
96
94
92
91
91
91
86
85
83
84
81
82
79
78
82
76
72
73
75
70

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
5
5
10
16
32
46
42
41
31
28
22
16
11
0
0
0

Medium Clouds (% Sky Obscured)

62
87
88
85
66
65
92
91
91
91
73
54
20
20
20
20
46
56
65
60
58
55
49
39

High Clouds (% Sky Obscured)

0
0
0
0
0
5
5
5
0
0
5
5
5
25
35
64
61
31
16
12
21
60
75
70

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
1
1
0
25
33

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
67
68
69
71
71
71
73
73
69
65
64
65
64
58
55
50
46
43
40
42
44
48
57

Pressure (mb)

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

Ozone (du)

394
392
390
392
391
392
395
397
397
397
398
400
400
400
400
400
400
398
397
395
394
392
391
393

Wednesday 25

First Quarter 52%

11:58

03:14

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:35, Set: 19:03, Transit: 12:49. 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)

70
90
95
95
96
96
97
98
97
97
92
88
78
85
90
94
96
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
40
60
62
67
73
77
83

Medium Clouds (% Sky Obscured)

35
50
65
85
96
96
97
98
95
95
91
88
78
78
74
73
80
86
96
99
100
100
100
100

High Clouds (% Sky Obscured)

70
79
58
37
56
76
95
97
90
81
46
25
7
25
43
60
74
87
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

33
39
41
42
39
40
44
41
36
36
41
46
50
59
66
70
79
83
82
83
82
79
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.5
0.5
0.4
0.5
0.4
0.3
0.7
1

Wind Speed/Direction (mph)

6
5
5
4
5
5
5
5
5
4
4
5
6
6
7
8
9
10
11
12
13
15
18
18

Chance of Frost

Temperature (°C)

6
5
5
4
4
3
4
3
3
3
3
3
3
3
4
4
5
5
6
6
7
9
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
80
85
88
91
93
94
94
94
94
94
94
96
96
94
94
94
96
96
98
94
95
91
95

Pressure (mb)

1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1022
1021
1019
1016
1014
1012
1010
1007
1006

Ozone (du)

395
397
395
392
390
387
384
380
377
374
370
369
367
366
363
360
357
351
344
338
331
324
317
314

Thursday 26

Waxing Gibbous 64%

13:13

03:58

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

Sun - Rise: 06:33, Set: 19:04, Transit: 12:49. Moon - Rise: 13:13, 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)

100
100
100
100
100
100
100
93
88
83
60
35
12
11
15
14
17
21
20

Low Clouds (% Sky Obscured)

87
91
96
99
100
100
100
89
78
67
46
22
2
1
1
1
1
1
0

Medium Clouds (% Sky Obscured)

100
98
95
92
94
95
97
73
48
20
18
21
12
7
6
7
8
4
5

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
93
88
83
60
35
12
11
15
14
17
21
0

ISS Passover

Visibility (miles)

4
2
2
1
1
4
7
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

Precipitation Type

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

Precipitation Probability (%)

95
95
89
50
58
62
62
57
49
10
9
4
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.3
1
0.6
0
0.2
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
19
19
20
17
15
17
17
17
18
17
17
17
17
18
19
18
17

Chance of Frost

Temperature (°C)

10
10
10
11
11
11
11
11
9
8
6
5
4
3
3
3
3
3
4

Feels Like (°C)

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

Dew Point (°C)

9
9
10
10
11
9
7
6
4
2
-1
-2
-3
-4
-6
-8
-10
-11
-11

Relative Humidity (%)

95
96
96
96
98
87
78
71
68
65
62
61
61
59
52
45
39
35
33

Pressure (mb)

1005
1004
1003
1003
1002
1003
1004
1004
1006
1007
1008
1010
1012
1014
1015
1017
1018
1019
1020

Ozone (du)

312
309
306
302
299
299
299
299
301
302
304
303
301
300
301
302
303
303
304

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

Generated: 20/03/26 19:03:12. Forecast: 20/03/26 to 26/03/26. Timezone: UTC-4.00