Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 19

Waning Crescent 36%

00:29

16:16

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 OK
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: 05:17, Set: 21:16, Transit: 13:16. Moon - Rise: 00:29, Set: 16:16. Civil Dark: 21:59 - 04:35. Nautical Dark: 23:00 - 03:34. Astro Dark: N/A - 01:33

Total Clouds (% Sky Obscured)

76
81
86
89
100
100
84
81
60
20
25
37
100
100
100
100
95
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

37
36
25
12
6
3
28
38
27
0
0
12
40
25
0
0
0
28
5
28
53
78
84
79

Medium Clouds (% Sky Obscured)

76
81
86
88
90
92
52
34
24
0
2
0
63
71
100
89
94
82
100
98
99
100
100
69

High Clouds (% Sky Obscured)

76
81
86
89
100
100
14
24
55
20
25
37
100
100
100
100
90
100
100
100
76
83
100
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
5
9
9
5

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
Light Rain
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

2
17
12
22
6
6
34
25
13
23
10
8
5
2
0
0
1
5
31
55
76
80
81
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.5
0.3
0.7

Wind Speed/Direction (mph)

3
2
2
2
4
2
2
5
6
6
5
6
11
12
11
9
8
6
5
8
9
10
11
12

Chance of Frost

Temperature (°C)

16
16
17
17
18
18
19
20
22
23
23
24
24
23
22
20
19
18
18
17
17
16
16
17

Feels Like (°C)

15
16
17
17
18
19
20
19
21
22
22
22
20
20
19
18
17
17
17
16
15
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

77
75
73
78
72
62
54
61
55
43
43
39
38
43
49
56
64
69
67
70
85
95
96
96

Pressure (mb)

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

Ozone (du)

325
323
324
324
326
326
329
336
335
333
331
331
330
329
330
332
334
333
331
331
330
333
335
340

Sunday 20

Waning Crescent 25%

01:02

17:46

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 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:18, Set: 21:15, Transit: 13:16. Moon - Rise: 01:02, Set: 17:46. Civil Dark: 21:58 - 04:37. Nautical Dark: 22:58 - 03:36. Astro Dark: 01:00 - 01:45

Total Clouds (% Sky Obscured)

100
100
100
100
64
69
67
78
80
87
74
81
70
62
100
100
27
44
58
86
100
90
75
93

Low Clouds (% Sky Obscured)

93
87
62
67
64
55
67
63
66
77
65
64
70
60
52
25
0
36
45
53
45
47
59
65

Medium Clouds (% Sky Obscured)

34
35
14
4
0
17
2
29
33
40
45
65
8
5
5
17
14
12
24
50
53
73
47
53

High Clouds (% Sky Obscured)

100
100
100
100
12
0
0
0
0
13
9
10
2
14
100
98
21
15
10
60
100
63
29
79

ISS Passover

Visibility (miles)

9
9
9
9
9
7
6
5
3
4
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

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

Precipitation Probability (%)

95
95
53
24
35
36
49
59
73
68
60
40
8
6
3
2
3
6
8
10
14
18
32
31

Precipitation Amount (mm)

2.1
0.4
0
0
0
0
0
0.2
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
11
11
14
17
16
16
16
15
17
14
13
14
12
8
5
5
6
6
5
5
4
4

Chance of Frost

Temperature (°C)

17
17
17
17
18
19
19
19
19
19
19
19
19
20
20
19
18
17
16
16
15
15
15
15

Feels Like (°C)

15
15
15
15
15
16
16
16
16
16
16
16
16
17
18
17
17
16
15
14
14
14
14
14

Dew Point (°C)

16
16
15
16
14
12
13
14
16
17
16
13
12
8
8
9
10
11
11
12
12
12
12
12

Relative Humidity (%)

96
93
90
89
77
64
68
73
80
88
81
69
62
44
45
51
61
67
71
75
78
82
83
83

Pressure (mb)

998
997
997
997
997
997
997
997
997
998
998
999
999
998
998
999
999
999
999
999
999
999
999
998

Ozone (du)

344
345
350
351
354
356
356
357
356
355
351
348
349
351
352
353
350
349
349
349
350
350
350
352

Monday 21

Waning Crescent 15%

01:49

19:08

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: 05:19, Set: 21:13, Transit: 13:16. Moon - Rise: 01:49, Set: 19:08. Civil Dark: 21:56 - 04:38. Nautical Dark: 22:56 - 03:39. Astro Dark: 00:47 - 01:54

Total Clouds (% Sky Obscured)

86
78
74
57
53
48
84
87
97
79
62
91
92
93
73
88
89
90
61
68
66
81
89
84

Low Clouds (% Sky Obscured)

59
63
67
55
51
47
62
76
70
45
24
32
43
27
1
10
12
48
56
54
60
68
70
74

Medium Clouds (% Sky Obscured)

57
65
51
3
4
4
4
5
22
20
62
91
86
34
33
88
89
85
38
47
35
31
30
31

High Clouds (% Sky Obscured)

62
30
28
1
0
0
56
18
66
10
30
33
40
45
19
50
45
1
2
2
2
0
4
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
9
4
9
9
4
9
6
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
21
2
0
5
29
52
59
67
66
61
64
57
49
35
4
1
0
0
1
3
4
5
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
5
7
7
7
7
8
9
10
11
10
10
11
10
9
8
8
8
8
8
8
9

Chance of Frost

Temperature (°C)

15
15
15
16
17
18
20
21
21
21
22
22
21
20
20
19
18
17
17
16
16
16
16
16

Feels Like (°C)

14
14
14
14
15
16
20
20
20
20
20
20
20
19
18
19
17
15
15
17
16
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

86
87
85
79
68
57
51
53
56
76
70
69
75
76
75
80
82
86
89
90
92
92
89
82

Pressure (mb)

999
999
999
1000
1000
1000
1001
1001
1001
1002
1002
1003
1003
1004
1005
1005
1006
1007
1007
1008
1008
1008
1009
1009

Ozone (du)

353
353
352
352
353
355
357
354
354
352
352
352
353
352
350
348
346
344
343
341
333
334
334
334

Tuesday 22

Waning Crescent 8%

02:56

20:14

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 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:21, Set: 21:12, Transit: 13:16. Moon - Rise: 02:56, Set: 20:14. Civil Dark: 21:55 - 04:40. Nautical Dark: 22:54 - 03:41. Astro Dark: 00:38 - 02:02

Total Clouds (% Sky Obscured)

94
96
98
99
100
100
99
99
98
97
96
97
96
97
96
95
95
94
93
93
91
91
82
85

Low Clouds (% Sky Obscured)

83
91
90
89
88
81
74
67
71
75
76
65
57
47
49
50
52
50
48
46
48
53
57
57

Medium Clouds (% Sky Obscured)

38
57
56
53
60
95
98
96
90
84
78
82
86
90
72
84
74
66
49
43
45
45
49
45

High Clouds (% Sky Obscured)

35
8
43
70
100
70
40
12
5
0
5
5
9
25
35
35
40
45
45
45
30
10
1
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
1
7
9
7
30
42
48
43
38
27
35
38
35
33
23
10
12
12
3
10
13
3
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
9
9
10
10
10
11
12
13
13
12
12
10
9
7
5
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

16
16
16
17
18
19
19
20
21
21
21
21
20
20
19
18
17
16
16
15
15
15
15
15

Feels Like (°C)

15
14
15
15
15
16
17
17
18
17
17
18
17
17
16
16
16
15
15
14
14
14
14
15

Dew Point (°C)

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

Relative Humidity (%)

85
85
82
72
65
60
57
52
48
46
49
53
54
59
68
78
85
87
89
89
90
92
92
92

Pressure (mb)

1009
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

334
334
337
338
339
338
338
338
338
339
340
342
343
344
344
345
345
345
345
343
342
340
340
339

Wednesday 23

Waning Crescent 3%

04:16

21:00

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: 05:22, Set: 21:11, Transit: 13:16. Moon - Rise: 04:16, Set: 21:00. Civil Dark: 21:53 - 04:41. Nautical Dark: 22:52 - 03:43. Astro Dark: 00:31 - 02:08

Total Clouds (% Sky Obscured)

84
83
83
82
77
78
77
84
96
98
90
98
64
67
61
61
75
82
83
85
83
82
79
75

Low Clouds (% Sky Obscured)

53
50
54
58
62
60
59
56
61
68
71
63
48
38
61
61
75
66
64
66
57
52
48
52

Medium Clouds (% Sky Obscured)

42
45
39
42
41
45
46
42
51
60
65
63
52
48
5
0
0
4
8
15
16
11
4
3

High Clouds (% Sky Obscured)

2
2
1
0
2
2
2
21
35
14
5
14
2
0
1
1
1
1
0
4
9
14
23
21

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 (%)

10
4
15
17
8
14
14
5
16
4
1
2
4
0
13
23
33
35
38
35
30
22
1
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)

3
3
3
4
7
8
9
10
11
12
12
13
12
12
11
11
9
8
7
6
5
4
4
4

Chance of Frost

Temperature (°C)

14
15
15
17
18
19
20
21
22
22
21
22
21
21
20
18
17
16
16
15
15
15
15
15

Feels Like (°C)

16
16
17
18
18
18
18
19
18
17
17
18
17
18
18
17
17
17
17
17
17
13
15
16

Dew Point (°C)

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

Relative Humidity (%)

93
92
83
73
60
52
45
41
38
39
43
40
44
43
45
52
60
70
74
78
82
85
86
87

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1013
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

336
336
340
345
345
343
343
342
344
342
337
331
328
326
324
324
324
324
324
324
323
321
319
317

Thursday 24

New Moon 0%

No Rise

21:32

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

Sun - Rise: 05:23, Set: 21:09, Transit: 13:16. Moon - Rise: No Rise, Set: 21:32. Civil Dark: 21:51 - 04:43. Nautical Dark: 22:50 - 03:45. Astro Dark: 00:25 - 02:14

Total Clouds (% Sky Obscured)

65
43
33
29
22
33
44
58
70
85
100
100
100
100
79
58
31
32
40
56
43
29
15
31

Low Clouds (% Sky Obscured)

59
43
33
29
22
33
43
35
31
31
32
25
22
20
13
8
0
3
3
3
5
4
10
10

Medium Clouds (% Sky Obscured)

2
1
0
0
0
2
3
5
14
19
29
24
13
3
7
12
17
14
8
4
3
2
1
4

High Clouds (% Sky Obscured)

16
8
5
1
0
3
5
7
32
57
82
88
94
98
67
36
5
18
32
46
31
15
0
1

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 (%)

2
0
1
1
0
0
0
0
1
2
0
0
1
0
0
0
0
0
0
0
6
9
9
9

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)

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

Chance of Frost

Temperature (°C)

16
16
16
17
18
20
21
22
23
23
23
23
23
22
21
20
18
17
16
16
16
16
16
16

Feels Like (°C)

15
15
14
17
17
17
18
19
19
23
22
21
21
21
21
18
18
18
17
16
16
15
15
16

Dew Point (°C)

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

Relative Humidity (%)

86
85
83
73
64
57
52
47
44
43
42
41
44
46
49
58
70
83
86
89
92
92
92
92

Pressure (mb)

1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1015
1015

Ozone (du)

316
314
312
311
310
308
307
305
304
303
301
300
301
302
303
304
304
305
306
307
308
307
306
305

Friday 25

Waxing Crescent 1%

05:42

21:53

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

Sun - Rise: 05:25, Set: 21:08, Transit: 13:16. Moon - Rise: 05:42, Set: 21:53. Civil Dark: 21:50 - 04:45. Nautical Dark: 22:48 - 03:48. Astro Dark: 00:19 - 02:20

Total Clouds (% Sky Obscured)

42
61
69
76
75
77
79
90
78
62
39
32
32
40
50
66
81
87
94
100

Low Clouds (% Sky Obscured)

5
5
10
23
32
45
60
75
65
54
37
22
19
19
17
16
17
11
6
0

Medium Clouds (% Sky Obscured)

6
8
28
48
65
42
21
1
1
0
0
0
0
0
2
5
8
13
16
21

High Clouds (% Sky Obscured)

3
7
5
4
4
28
51
75
67
52
39
32
32
40
50
66
81
87
94
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

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 (%)

8
7
13
16
16
13
7
0
0
0
0
4
7
1
2
2
0
3
1
0

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)

5
5
5
6
7
8
10
11
13
13
12
12
13
13
13
11
10
8
8
7

Chance of Frost

Temperature (°C)

16
16
16
17
18
18
19
21
22
22
23
23
22
21
20
19
17
16
15
14

Feels Like (°C)

16
16
16
16
16
16
17
17
16
22
21
19
19
19
20
17
17
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

90
89
87
85
83
81
67
53
43
41
38
35
38
41
44
49
54
61
63
69

Pressure (mb)

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

Ozone (du)

303
300
298
304
309
315
317
320
322
321
319
318
317
316
315
314
312
311
312
313

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

Generated: 19/07/25 05:50:15. Forecast: 19/07/25 to 25/07/25. Timezone: UTC+1.00