Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 12%

05:07

15:06

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

Sun - Rise: 06:15, Set: 20:03, Transit: 13:10. Moon - Rise: 05:07, Set: 15:06. Civil Dark: 20:39 - 05:40. Nautical Dark: 21:22 - 04:56. Astro Dark: 22:11 - 04:07

Total Clouds (% Sky Obscured)

30
46
50
45
57
18
32
23
5
15
34
35
36
67
61
96
85
66
96
100
100
100
100
100

Low Clouds (% Sky Obscured)

7
3
43
45
30
0
0
0
0
0
0
0
0
10
6
11
36
11
10
36
61
64
83
96

Medium Clouds (% Sky Obscured)

0
2
2
11
27
11
32
15
2
9
21
19
20
18
23
48
84
66
63
70
97
100
87
98

High Clouds (% Sky Obscured)

0
0
3
15
57
18
4
2
2
5
2
3
0
26
8
25
47
5
21
100
100
100
100
100

ISS Passover

Visibility (miles)

7
8
9
8
7
7
6
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 (%)

44
39
34
30
36
30
9
0
0
0
0
0
0
0
0
0
0
0
0
3
6
15
12
40

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
6
6
7
6
6
5
5
4
4
3
3
4
4
4
4
4
4
4
5
7
8
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
3
3
4
5
7
9
8
7
6
6
5
5
5
4
4
4
5
6
6
7
8
9
10

Relative Humidity (%)

53
56
56
58
63
75
85
90
91
91
93
93
93
93
93
93
94
96
96
93
93
91
91
90

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

464
457
453
444
436
430
428
426
422
416
409
403
399
394
391
390
387
381
374
372
371
369
368
364

Tuesday 14

Waning Crescent 6%

05:19

16:26

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
12 Bad

Sun - Rise: 06:13, Set: 20:05, Transit: 13:10. Moon - Rise: 05:19, Set: 16:26. Civil Dark: 20:40 - 05:37. Nautical Dark: 21:24 - 04:53. Astro Dark: 22:13 - 04:04

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
98
100
100
100
100
100
100
100
98
100
100
75
73
54

Low Clouds (% Sky Obscured)

100
100
100
91
67
57
66
55
74
94
89
91
71
87
89
88
86
81
84
84
60
56
72
43

Medium Clouds (% Sky Obscured)

99
100
79
97
55
76
100
100
100
98
85
78
45
44
43
60
58
54
33
54
54
28
3
16

High Clouds (% Sky Obscured)

27
15
45
66
93
97
100
100
100
100
47
100
100
100
100
100
100
100
85
98
100
20
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
9
9
9
9
5
8

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

Precipitation Probability (%)

25
8
5
1
1
1
2
6
25
36
28
20
18
42
29
24
16
6
4
0
0
40
53
61

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
13
12
12
11
11
10
10
9
9
9
8
9
10
10
10
9
9
9
10
11
12
16
18

Chance of Frost

Temperature (°C)

12
12
12
12
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
13
13
14
15
16

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
12
12
11
11
11
11
11
10
11
11
11
11
12
12
12
12
12
12
13

Relative Humidity (%)

93
93
93
93
92
92
93
93
93
95
93
93
90
93
93
93
93
98
96
92
92
86
82
82

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

362
361
361
359
356
353
352
350
349
350
351
351
350
349
348
347
346
347
347
348
353
356
357
358

Wednesday 15

Waning Crescent 2%

05:32

17:49

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 Good
21 OK
22 OK
23 OK
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

Sun - Rise: 06:11, Set: 20:07, Transit: 13:10. Moon - Rise: 05:32, Set: 17:49. Civil Dark: 20:42 - 05:35. Nautical Dark: 21:26 - 04:51. Astro Dark: 22:16 - 04:01

Total Clouds (% Sky Obscured)

97
100
87
63
39
40
35
0
14
20
29
68
81
75
87
80
90
66
81
91
100
100
100
100

Low Clouds (% Sky Obscured)

59
61
80
63
39
40
35
0
14
20
29
39
49
59
78
75
77
52
52
45
39
43
46
49

Medium Clouds (% Sky Obscured)

34
100
19
0
0
0
0
0
0
0
0
7
14
4
5
0
6
0
1
2
4
17
31
94

High Clouds (% Sky Obscured)

77
13
0
0
0
0
0
0
0
0
2
45
54
50
2
7
26
24
57
79
100
100
100
100

ISS Passover

Visibility (miles)

6
7
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
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 (%)

60
64
43
38
18
3
1
1
0
0
0
0
0
0
1
0
0
0
0
1
0
1
4
21

Precipitation Amount (mm)

0
0.3
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)

19
20
15
13
13
11
10
7
7
7
8
9
9
9
8
7
7
7
7
8
10
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
12
10
9
9
10
10
10
9
8
8
8
8
9
8
8
7
7
8
8
7
7
7

Relative Humidity (%)

82
83
86
76
69
68
75
83
91
93
93
93
93
93
95
91
91
91
91
84
80
71
65
63

Pressure (mb)

1014
1014
1014
1015
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1020
1020

Ozone (du)

359
361
373
381
391
394
396
389
384
383
381
381
380
383
385
381
379
376
374
371
367
365
364
363

Thursday 16

Waning Crescent 0%

05:46

19:15

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
12 Bad

Sun - Rise: 06:08, Set: 20:08, Transit: 13:10. Moon - Rise: 05:46, Set: 19:15. Civil Dark: 20:44 - 05:33. Nautical Dark: 21:28 - 04:48. Astro Dark: 22:19 - 03:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
96
93
94
94
96
96
97
91
51
57
57
75
93
93
94
95
97

Low Clouds (% Sky Obscured)

35
20
4
25
45
65
57
47
37
42
49
54
53
49
45
48
51
54
52
57
59
62
68
73

Medium Clouds (% Sky Obscured)

100
100
100
100
100
99
93
86
79
77
72
54
50
52
79
51
54
44
40
39
39
36
40
45

High Clouds (% Sky Obscured)

100
100
100
98
100
100
68
33
5
6
12
28
38
38
28
7
9
11
12
17
23
38
36
35

ISS Passover

Visibility (miles)

7
6
6
6
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 (%)

27
31
30
24
21
5
9
10
3
7
9
0
0
0
0
0
0
0
0
0
1
6
12
20

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
74
79
83
84
83
83
86
88
88
91
90
90
88
91
91
90
93
93
87
80
86
86
90

Pressure (mb)

1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

362
362
360
358
357
357
356
355
357
358
357
357
359
360
359
358
359
359
357
357
359
361
363
368

Friday 17

New Moon 0%

06:04

20:45

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
12 Bad

Sun - Rise: 06:06, Set: 20:10, Transit: 13:09. Moon - Rise: 06:04, Set: 20:45. Civil Dark: 20:46 - 05:31. Nautical Dark: 21:30 - 04:46. Astro Dark: 22:21 - 03:54

Total Clouds (% Sky Obscured)

89
81
74
81
89
97
96
96
95
97
98
100
98
95
97
97
96
96
95
97
100
100
100
100

Low Clouds (% Sky Obscured)

67
61
56
44
33
25
30
34
38
49
60
68
77
86
95
94
93
96
95
89
88
71
64
57

Medium Clouds (% Sky Obscured)

37
34
28
33
36
36
37
37
35
46
52
91
79
60
42
41
35
16
21
28
38
59
81
100

High Clouds (% Sky Obscured)

30
40
31
53
69
90
87
80
70
83
93
100
71
43
20
39
56
73
83
94
100
91
75
67

ISS Passover

Visibility (miles)

6
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

32
32
26
21
13
4
5
3
0
0
2
1
9
15
29
37
47
69
79
82
81
95
95
82

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.7
0.6
0.4
0.7
0.8
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
15
15
15
14
14
13
12
11
11
10
10
10
9
9
9
9
9
10
11
11
11
12

Feels Like (°C)

12
13
13
13
12
12
12
11
9
9
9
9
8
8
8
9
8
8
8
8
8
7
7
8

Dew Point (°C)

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

Relative Humidity (%)

84
86
80
74
68
71
75
77
80
81
80
83
88
91
91
95
95
95
93
85
80
73
70
68

Pressure (mb)

1020
1020
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021

Ozone (du)

366
365
367
368
369
368
370
371
374
378
381
386
390
388
386
383
382
381
380
378
377
375
376
377

Saturday 18

Waxing Crescent 2%

06:29

22:19

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

Sun - Rise: 06:04, Set: 20:12, Transit: 13:09. Moon - Rise: 06:29, Set: 22:19. Civil Dark: 20:48 - 05:28. Nautical Dark: 21:33 - 04:43. Astro Dark: 22:24 - 03:51

Total Clouds (% Sky Obscured)

100
100
100
92
85
78
71
64
58
51
43
35
26
16
7
24
34
38
43
46
56
57
59
68

Low Clouds (% Sky Obscured)

59
57
51
50
53
49
48
48
46
37
28
19
13
7
1
2
5
7
12
16
24
34
44
51

Medium Clouds (% Sky Obscured)

100
100
100
73
42
10
8
6
6
5
3
0
0
0
0
0
0
0
0
0
0
5
11
17

High Clouds (% Sky Obscured)

79
90
100
67
33
0
0
0
0
0
0
2
1
1
0
2
8
12
14
17
20
10
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
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 (%)

66
45
27
25
30
33
27
27
14
10
8
1
0
0
0
0
0
0
0
0
0
1
1
1

Precipitation Amount (mm)

0.3
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)

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

Chance of Frost

Temperature (°C)

12
12
13
13
13
13
12
11
10
9
9
8
8
7
7
6
6
6
6
8
9
11
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
62
61
58
63
67
73
79
84
90
90
91
91
91
93
93
90
88
88
79
72
65
62
58

Pressure (mb)

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

Ozone (du)

379
385
391
398
395
393
391
389
387
385
383
381
379
377
375
373
372
371
369
369
368
368
367
367

Sunday 19

Waxing Crescent 7%

07:05

23:51

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

Sun - Rise: 06:02, Set: 20:13, Transit: 13:09. Moon - Rise: 07:05, Set: 23:51. Civil Dark: 20:49 - 05:26. Nautical Dark: 21:35 - 04:40. Astro Dark: 22:27 - 03:48

Total Clouds (% Sky Obscured)

67
67
66
58
51
44
43
44
43
58
70
74
55
37
18
27
36
46

Low Clouds (% Sky Obscured)

42
34
25
28
31
34
32
29
31
20
10
2
1
0
0
13
27
38

Medium Clouds (% Sky Obscured)

16
16
10
8
6
3
2
1
0
0
0
0
3
6
11
8
3
0

High Clouds (% Sky Obscured)

0
0
0
0
4
11
10
13
18
37
52
68
55
32
5
6
7
7

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

8
9
6
11
12
12
9
6
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
14
15
14
14
14
13
11
9
9
9
8
8
7
7
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
53
54
53
59
66
73
76
80
84
84
85
85
85
85
85
84
82

Pressure (mb)

1025
1025
1024
1024
1024
1024
1024
1024
1024
1025
1024
1024
1024
1024
1024
1023
1023
1023

Ozone (du)

367
366
366
365
365
365
366
365
365
365
366
366
366
367
368
369
370
372

Forecast for Bristol, Bristol, United Kingdom (51.45,-2.59)

Generated: 13/04/26 13:57:14. Forecast: 13/04/26 to 19/04/26. Timezone: UTC+1.00