Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Gibbous 70%

No Rise

03:27

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
12 Bad
13 Bad

Sun - Rise: 05:45, Set: 19:37, Transit: 12:42. Moon - Rise: No Rise, Set: 03:27. Civil Dark: 20:08 - 05:15. Nautical Dark: 20:44 - 04:38. Astro Dark: 21:24 - 03:58

Total Clouds (% Sky Obscured)

74
79
84
88
100
100
100
100
98
100
100
100
100
100
100
100
100
95
88
88
94
85
98
97

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

74
79
84
88
100
100
93
100
98
100
90
93
94
97
100
92
100
87
73
88
94
81
98
91

High Clouds (% Sky Obscured)

74
79
84
88
100
100
100
100
84
85
97
100
100
100
100
100
100
77
25
30
30
0
9
40

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
1
1
1
1
1
2
19
17
5
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
44
45
45
47
49
54
64
69
71
71
72
74
78
80
81
82
78
71
63
57
52
50
50

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021

Ozone (du)

345
343
343
346
350
353
357
360
366
371
370
368
367
368
368
370
373
374
372
371
371
373
373
374

Sunday 26

Waxing Gibbous 80%

14:41

03:48

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
06 OK
07 Good
08 Good
09 OK
10 OK
11 OK
12 Good
13 Good

Sun - Rise: 05:43, Set: 19:39, Transit: 12:41. Moon - Rise: 14:41, Set: 03:48. Civil Dark: 20:09 - 05:13. Nautical Dark: 20:46 - 04:36. Astro Dark: 21:26 - 03:56

Total Clouds (% Sky Obscured)

97
98
95
99
91
89
85
90
88
87
85
84
86
74
67
34
23
11
17
33
23
19
12
8

Low Clouds (% Sky Obscured)

0
14
24
27
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
0

Medium Clouds (% Sky Obscured)

97
96
94
98
90
89
85
67
67
86
84
84
86
74
64
29
18
5
7
10
11
3
4
3

High Clouds (% Sky Obscured)

0
0
0
39
40
34
36
26
10
13
31
31
2
1
6
3
2
1
9
7
1
6
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
None
None

Precipitation Probability (%)

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 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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
7
6
6
5
5
5
4
5
4
4
3
4
5
5
6
7
8
9
9
10

Dew Point (°C)

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

Relative Humidity (%)

50
50
50
53
55
58
62
65
68
70
73
75
75
75
76
76
78
74
68
63
60
59
57
60

Pressure (mb)

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

Ozone (du)

375
375
378
381
381
383
381
378
377
377
377
377
376
377
376
376
376
374
374
372
372
372
371
373

Monday 27

Waxing Gibbous 88%

15:48

04:08

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 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good

Sun - Rise: 05:42, Set: 19:40, Transit: 12:41. Moon - Rise: 15:48, Set: 04:08. Civil Dark: 20:10 - 05:12. Nautical Dark: 20:47 - 04:34. Astro Dark: 21:27 - 03:54

Total Clouds (% Sky Obscured)

7
9
3
3
2
0
0
3
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

8
8
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
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)

10
10
9
9
9
7
6
6
6
5
5
6
6
6
6
6
7
7
10
10
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
57
57
56
57
60
63
62
58
62
65
66
69
69
68
68
72
70
61
55
55
57
60
60

Pressure (mb)

1026
1026
1026
1026
1026
1027
1027
1027
1026
1026
1026
1025
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1024
1023

Ozone (du)

376
379
380
383
383
385
387
388
389
390
391
394
395
392
387
386
378
378
373
367
369
364
363
362

Tuesday 28

Waxing Gibbous 94%

16:53

04:27

14 OK
15 OK
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
12 Bad
13 Bad

Sun - Rise: 05:41, Set: 19:41, Transit: 12:41. Moon - Rise: 16:53, Set: 04:27. Civil Dark: 20:11 - 05:10. Nautical Dark: 20:48 - 04:33. Astro Dark: 21:29 - 03:52

Total Clouds (% Sky Obscured)

14
29
64
70
99
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

7
14
21
36
51
78
91
95
98
98
97
97
95
92
90
95
97
98
98
98
98
98
99
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
6
8
13
8
7
9
59
92
91
92
22
66
60
11
0

High Clouds (% Sky Obscured)

14
29
64
70
97
100
100
100
100
100
100
100
100
100
100
88
77
65
44
22
0
2
3
5

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
1
6
6
18
7
7
14
18
17
19
8
7
10
19
18
8
4
3
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
57
59
67
71
74
76
78
82
85
90
91
93
93
93
93
94
93
93
93
90
91
90
91

Pressure (mb)

1023
1023
1022
1022
1021
1021
1021
1021
1021
1020
1020
1019
1018
1018
1018
1017
1017
1017
1018
1017
1017
1017
1016
1015

Ozone (du)

359
356
354
353
351
350
349
348
349
350
350
350
348
348
349
351
355
360
365
363
369
367
368
366

Wednesday 29

Waxing Gibbous 98%

17:58

04:47

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
12 Bad
13 Bad

Sun - Rise: 05:39, Set: 19:42, Transit: 12:41. Moon - Rise: 17:58, Set: 04:47. Civil Dark: 20:12 - 05:09. Nautical Dark: 20:50 - 04:31. Astro Dark: 21:31 - 03:50

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
100
100
100
100
100
100
100
100
100
100
100
98
96
93
95
98
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

11
28
40
35
33
36
42
49
73
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

36
68
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
2
2
2
2
2
3
2
1
1
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
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

7
14
16
19
11
7
18
26
31
33
33
41
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.8
0.9
0.9
1.1
1.3
1.5
1.5
1.7
2.2
2
1.7
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1014
1014
1013
1012
1012
1011
1011
1010
1010
1009
1008
1007
1007
1008
1007
1007
1006
1005
1005
1004
1003
1002
1002
1001

Ozone (du)

369
370
368
366
367
369
368
368
367
362
362
361
362
359
357
354
354
353
352
354
355
357
358
360

Thursday 30

Waxing Gibbous 100%

19:03

05:10

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
12 Bad
13 Bad

Sun - Rise: 05:38, Set: 19:43, Transit: 12:41. Moon - Rise: 19:03, Set: 05:10. Civil Dark: 20:14 - 05:07. Nautical Dark: 20:51 - 04:29. Astro Dark: 21:32 - 03:48

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)

99
99
98
94
90
86
84
83
81
85
89
93
96
98
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
73
77
95
100
95
90
65
20
10
14
4
4
0
0
0
2
4
6
26
46
66

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
85
65
65
60
55
30
15
30

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
4
3
3
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
86
92
94
92
80
78
77
70
64
60
70
74
77
91
95
95

Precipitation Amount (mm)

1.5
1.6
1.5
1.4
1.4
1.5
1.2
0.9
0.4
0.6
0.6
0.5
0.4
0.4
0.4
0.3
0.3
0.3
0.4
0.4
0.4
0.6
0.7
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
98
98
98
98
98
98
98
98
96
96
96
96
96
95
96
96
95
93
93
93
93

Pressure (mb)

1001
1000
1000
999
999
999
998
998
998
997
997
997
996
996
996
996
996
997
997
997
997
997
997
998

Ozone (du)

361
363
365
367
370
373
376
379
382
384
386
388
390
390
390
390
391
393
394
394
395
396
396
397

Friday 1

Full Moon 100%

20:09

05:37

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

Sun - Rise: 05:37, Set: 19:44, Transit: 12:41. Moon - Rise: 20:09, Set: 05:37. Civil Dark: 20:15 - 05:06. Nautical Dark: 20:53 - 04:28. Astro Dark: 21:34 - 03:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

61
55
50
54
58
62
42
23
4
3
7
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

30
85
85
80
85
85
85
90
90
100
95
90
35
20
15
10
15
15

ISS Passover

Visibility (miles)

8
7
5
4
5
6
7
7
8
8
8
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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
89
72
62
61
46
26

Precipitation Amount (mm)

0.7
0.7
0.8
0.9
1
1.2
1.3
1.4
1.3
1
1
0.8
0.5
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
7
7
7
7
7
6
6
7
6
7
7

Feels Like (°C)

4
4
3
3
4
4
4
3
3
3
3
3
3
3
3
3
3
3

Dew Point (°C)

6
6
6
6
6
6
6
6
6
6
5
6
5
5
6
5
5
5

Relative Humidity (%)

93
93
93
93
93
91
93
91
93
93
91
93
93
93
93
93
91
91

Pressure (mb)

998
998
999
1000
1001
1002
1002
1003
1004
1004
1005
1005
1006
1006
1006
1007
1008
1008

Ozone (du)

398
399
399
400
401
401
401
402
403
405
404
404
404
405
406
408
406
403

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

Generated: 25/04/26 14:57:27. Forecast: 25/04/26 to 01/05/26. Timezone: UTC-4.00