Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 12

Waning Gibbous 95%

22:44

No Set

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

Sun - Rise: 05:09, Set: 21:23, Transit: 13:16. Moon - Rise: 22:44, Set: No Set. Civil Dark: 22:08 - 04:25. Nautical Dark: 23:14 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
3
3
7
3
0
0
21
22
26
9
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
4
3
0
0
21
22
26
9
0
0
0
0
0
0
0
0
0
0
0

Medium 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

High Clouds (% Sky Obscured)

0
0
0
1
1
2
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
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)

2
3
2
2
2
4
5
6
6
7
9
12
12
9
6
4
3
3
3
2
2
3
4
5

Chance of Frost

Temperature (°C)

18
21
23
25
27
28
30
31
31
32
31
31
30
29
26
23
22
21
20
19
18
17
17
17

Feels Like (°C)

21
23
26
28
30
30
31
31
32
32
30
29
28
29
27
25
23
22
22
21
19
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

60
51
43
38
34
33
30
26
24
22
21
23
24
30
45
54
58
63
67
69
68
72
74
73

Pressure (mb)

1017
1017
1017
1017
1016
1016
1015
1014
1014
1013
1013
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

325
325
326
328
330
331
332
331
330
330
332
333
334
334
331
330
331
331
331
332
332
332
331
332

Sunday 13

Waning Gibbous 88%

23:00

07:48

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

Sun - Rise: 05:10, Set: 21:22, Transit: 13:16. Moon - Rise: 23:00, Set: 07:48. Civil Dark: 22:07 - 04:26. Nautical Dark: 23:12 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
12
21
18
28
100
76
100
100
100
100
100
100
46
32
70
57
34
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
12
21
18
26
0
0
0
0
0
0
0
0
0
0
40
57
26
81

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
30
37
25
4
23
75
45
65
37
28
41
0
6
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
10
10
100
8
100
100
100
100
100
85
0
0
0
0
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
2
4
5
3
2
2
4
9
2
5
5
4
1
0
7
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)

6
7
7
8
7
7
6
6
7
11
10
8
7
10
5
5
7
8
8
8
7
8
9
9

Chance of Frost

Temperature (°C)

18
20
21
23
25
26
27
28
29
29
29
29
28
27
24
22
21
20
19
18
17
17
17
17

Feels Like (°C)

18
20
21
23
26
27
28
28
28
26
27
27
26
22
22
20
18
18
19
19
18
19
18
17

Dew Point (°C)

10
10
9
9
12
12
12
12
13
15
14
13
11
7
6
5
6
9
12
15
15
16
16
16

Relative Humidity (%)

62
54
43
41
42
41
38
37
36
41
39
37
33
28
31
33
36
49
64
80
86
90
93
93

Pressure (mb)

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

Ozone (du)

333
332
331
333
330
327
327
325
325
324
323
325
327
330
330
332
338
348
344
343
340
338
337
335

Monday 14

Waning Gibbous 80%

23:13

09:11

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

Sun - Rise: 05:12, Set: 21:21, Transit: 13:16. Moon - Rise: 23:13, Set: 09:11. Civil Dark: 22:06 - 04:27. Nautical Dark: 23:10 - 03:24. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
48
86
54
39
48
45
35
45
45
6
3
19
25
28
30
39
39
36
36
36
51
64
74

Low Clouds (% Sky Obscured)

68
47
86
45
32
46
21
15
4
0
1
1
19
25
28
30
39
39
36
36
36
48
50
52

Medium Clouds (% Sky Obscured)

12
0
0
12
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
23
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
25
30
4
2
0
0
0
0
0
0
0
0
0
0
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
12
13
1
3
7
4
2
1
0
0
0
0
0
2
2
0
0
0
0
1
2
5
5

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
14
15
15
15
15
17
16
15
17
17
17
16
14
13
11
10
9
9
8
8
7
8
7

Chance of Frost

Temperature (°C)

18
19
19
21
21
22
22
21
21
21
21
20
19
17
16
15
15
14
13
13
13
12
12
12

Feels Like (°C)

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

Dew Point (°C)

15
15
15
12
10
9
9
11
11
8
6
7
8
9
9
10
11
10
10
11
11
11
10
11

Relative Humidity (%)

83
77
73
57
48
42
43
51
53
41
38
43
48
56
65
73
76
78
82
86
89
90
90
90

Pressure (mb)

1011
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1017
1017
1016
1016
1016
1016

Ozone (du)

336
336
337
339
338
336
337
339
341
345
347
349
351
351
353
358
364
369
368
366
364
363
361
356

Tuesday 15

Waning Gibbous 70%

23:25

10:33

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
05 Bad
06 Bad

Sun - Rise: 05:13, Set: 21:20, Transit: 13:16. Moon - Rise: 23:25, Set: 10:33. Civil Dark: 22:04 - 04:29. Nautical Dark: 23:08 - 03:26. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

70
73
99
80
99
100
100
99
99
80
90
87
80
70
66
61
54
52
57
75
100
100
100
100

Low Clouds (% Sky Obscured)

59
64
68
65
63
60
60
57
58
55
60
62
44
22
0
4
7
11
12
8
5
0
0
0

Medium Clouds (% Sky Obscured)

57
52
61
66
65
70
67
66
92
64
54
35
47
50
52
40
39
45
50
50
30
55
55
50

High Clouds (% Sky Obscured)

0
0
15
4
10
15
5
0
5
0
10
25
26
32
44
15
35
44
42
70
89
62
67
67

ISS Passover

Visibility (miles)

9
9
6
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
2
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
37
49
60
71
82
88
95
95
85
70
48
40
31
20
27
32
37
45
39
27
12
9
34

Precipitation Amount (mm)

0
0
0.3
0.4
0.6
0.7
0.7
0.9
0.8
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
14
13
14
13
13
13
13
13
13
14
14
14
13
15
14
14
14
14
14
14
14
15

Dew Point (°C)

10
10
10
10
8
6
5
5
6
6
7
8
9
11
11
13
13
14
15
15
15
15
15
16

Relative Humidity (%)

82
71
65
66
51
45
43
43
44
46
45
49
56
63
69
79
83
92
95
96
96
96
96
98

Pressure (mb)

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

Ozone (du)

351
346
342
339
338
336
334
331
330
330
325
322
319
318
315
312
310
306
301
300
301
301
301
302

Wednesday 16

Waning Gibbous 59%

23:37

11:55

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
05 Bad
06 Bad

Sun - Rise: 05:14, Set: 21:19, Transit: 13:16. Moon - Rise: 23:37, Set: 11:55. Civil Dark: 22:03 - 04:30. Nautical Dark: 23:06 - 03:28. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
86
81
71
63
65
63
61
59
65
69
71
56
60
55
60
68
76
84
91
99
99
100
100

Low Clouds (% Sky Obscured)

2
4
5
4
2
5
5
5
5
11
18
24
27
34
46
51
51
47
53
55
58
58
55
67

Medium Clouds (% Sky Obscured)

46
31
43
40
40
45
40
35
35
45
53
69
56
60
40
27
14
3
12
21
30
41
53
62

High Clouds (% Sky Obscured)

66
53
79
71
63
63
54
30
44
32
35
40
55
35
25
21
35
54
68
79
87
91
95
100

ISS Passover

Visibility (miles)

8
9
9
3
7
6
8
3
9
9
9
9
9
9
8
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
28
57
51
54
51
46
39
31
35
21
17
24
23
22
24
26
27
27
27
25
26
27
28

Precipitation Amount (mm)

0
0
0.2
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
9
10
9
9
9
9
10
11
11
11
11
11
11
9
8
6
6
6
8
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
92
96
96
96
98
96
96
95
95
95
95
95
96
96
96
96
96
95
96
96
96
96

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013

Ozone (du)

301
301
301
298
300
303
305
305
307
309
312
312
312
316
319
322
322
323
323
322
321
321
319
318

Thursday 17

Waning Gibbous 48%

23:50

13:19

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
05 Bad
06 Bad

Sun - Rise: 05:15, Set: 21:18, Transit: 13:16. Moon - Rise: 23:50, Set: 13:19. Civil Dark: 22:02 - 04:32. Nautical Dark: 23:04 - 03:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
99
99
80
62
52
76
91
98
80
64
48
55
58
64

Low Clouds (% Sky Obscured)

69
70
71
62
54
40
32
28
24
17
10
3
7
12
19
18
10
0
0
0
0
11
24
36

Medium Clouds (% Sky Obscured)

72
84
95
94
92
90
89
86
76
69
66
63
42
21
0
5
15
19
16
11
8
9
9
10

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
86
77
68
73
62
52
76
89
91
71
51
32
23
22
27

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 (%)

30
31
31
29
25
17
34
38
37
36
30
16
14
8
2
2
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
10
12
13
13
13
13
13
13
13
13
13
13
11
9
7
6
5
4
4
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
18
18
19
18
18
19
19
18
18
18
18
16
16
16
15
15
14
12
13
13
13
12

Dew Point (°C)

17
17
17
17
16
15
14
14
14
14
13
13
12
12
12
13
13
13
13
13
13
13
13
13

Relative Humidity (%)

95
92
88
84
77
71
65
66
67
68
66
64
61
67
74
82
85
87
89
90
93
96
93
90

Pressure (mb)

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

Ozone (du)

316
316
315
315
315
315
315
315
316
317
320
323
326
325
325
325
327
328
330
330
331
332
331
330

Friday 18

Third Quarter 48%

00:07

14:46

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

Sun - Rise: 05:17, Set: 21:17, Transit: 13:16. Moon - Rise: 00:07, Set: 14:46. Civil Dark: 22:01 - 04:33. Nautical Dark: 23:02 - 03:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

54
49
33
34
33
33
41
53
69
85
94
100
100
100
100
98
97
95

Low Clouds (% Sky Obscured)

25
12
0
10
20
31
36
40
38
16
8
2
1
1
1
1
0
0

Medium Clouds (% Sky Obscured)

8
5
2
2
1
1
12
23
37
47
61
67
70
67
68
68
70
76

High Clouds (% Sky Obscured)

21
15
16
11
8
6
3
4
0
33
67
100
99
97
88
81
77
72

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 (%)

3
0
0
2
2
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

Wind Speed/Direction (mph)

3
4
5
8
10
11
12
13
13
14
12
11
10
9
9
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
15
15
16
16
17
18
20
19
18
18
19
18
15
14
13
14
13

Dew Point (°C)

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

Relative Humidity (%)

87
72
60
50
46
42
40
42
44
46
50
53
57
61
65
69
75
79

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

330
331
332
333
334
335
335
335
335
334
337
339
342
343
345
346
345
344

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

Generated: 12/07/25 06:01:41. Forecast: 12/07/25 to 18/07/25. Timezone: UTC+1.00