Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 9

Waning Gibbous 54%

00:12

11:00

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

Sun - Rise: 08:12, Set: 16:22, Transit: 12:18. Moon - Rise: 00:12, Set: 11:00. Civil Dark: 17:01 - 07:33. Nautical Dark: 17:43 - 06:51. Astro Dark: 18:24 - 06:10

Total Clouds (% Sky Obscured)

72
78
73
73
69
82
87
56
54
66
61
37
31
13
12
27
33
80
60
86
52
50
38
44

Low Clouds (% Sky Obscured)

27
35
41
59
60
69
54
44
43
58
57
30
7
11
12
26
33
65
57
73
49
50
32
34

Medium Clouds (% Sky Obscured)

72
68
64
55
24
37
35
13
0
0
0
0
12
2
0
2
0
39
3
6
0
0
3
0

High Clouds (% Sky Obscured)

39
15
25
4
43
50
61
25
3
3
0
0
0
0
0
0
7
76
9
16
52
5
11
44

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
1
3
1
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
4
4
4
7
5
4
1
4
0
1
0
0
1
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)

12
10
9
10
10
10
10
10
9
7
7
5
5
4
3
3
3
3
3
3
3
2
3
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
86
89
91
89
86
82
83
80
83
86
89
88
88
88
86
81
74
71
69
68
71

Pressure (mb)

1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1012
1013
1013
1014
1015
1016
1017
1017
1018
1018
1019
1019
1019

Ozone (du)

405
398
397
395
393
388
392
391
395
397
394
389
382
375
369
366
364
361
359
359
353
349
347
342

Saturday 10

Third Quarter 44%

01:25

11:12

16 Bad
17 Bad
18 OK
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

Sun - Rise: 08:11, Set: 16:24, Transit: 12:18. Moon - Rise: 01:25, Set: 11:12. Civil Dark: 17:02 - 07:32. Nautical Dark: 17:45 - 06:50. Astro Dark: 18:25 - 06:10

Total Clouds (% Sky Obscured)

80
87
47
74
100
100
100
100
94
91
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

16
6
0
29
37
34
19
0
18
39
47
63
73
79
71
85
91
100
100
100
100
100
98
78

Medium Clouds (% Sky Obscured)

10
14
13
74
89
100
48
97
89
86
88
88
95
100
99
96
100
98
100
100
100
87
92
72

High Clouds (% Sky Obscured)

70
72
15
39
100
95
94
97
57
19
83
100
100
42
95
100
100
100
100
100
100
52
98
65

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
0

Fog (%)

0
0
0
14
55
2
5
2
1
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
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
5
15
28
34
50
53
63
59
39
19
13
17
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
3
3
4
4
5
5
6
7
7
10
12
13
14
15
16
17
17
18
19
20
19
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
79
80
81
81
80
81
83
80
82
80
79
80
79
82
83
86
90
90
93
91
91
95
96

Pressure (mb)

1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1019
1019
1017
1016
1015
1014
1013
1012
1011
1010
1009
1008
1006
1005

Ozone (du)

337
335
333
329
322
318
318
316
316
315
316
310
311
312
310
312
312
312
309
311
312
314
315
312

Sunday 11

Waning Crescent 35%

02:37

11:27

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
14 Bad
15 Bad

Sun - Rise: 08:10, Set: 16:25, Transit: 12:18. Moon - Rise: 02:37, Set: 11:27. Civil Dark: 17:04 - 07:32. Nautical Dark: 17:46 - 06:50. Astro Dark: 18:26 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
68
78
70
100
100
91
98
91
96
83
86
95
97
100
76
75
72
64
58

Low Clouds (% Sky Obscured)

97
100
72
86
71
68
77
44
32
42
49
43
40
44
46
49
38
42
56
67
63
62
60
55

Medium Clouds (% Sky Obscured)

52
90
100
100
88
68
0
0
0
40
46
18
24
43
35
59
44
39
90
60
68
5
3
0

High Clouds (% Sky Obscured)

100
78
100
100
30
1
15
21
99
100
61
91
77
88
58
66
72
73
53
4
45
35
0
22

ISS Passover

Visibility (miles)

0
0
9
0
3
2
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4

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

Precipitation Probability (%)

88
95
37
53
95
95
15
4
1
0
0
5
2
1
1
1
2
2
27
48
43
35
52
38

Precipitation Amount (mm)

0.5
0.5
0
0
1.2
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
11
11
12
12
12
12
11
11
10
10
10
10
10
10
10
10
10
10
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
96
95
95
92
90
90
91
91
90
88
90
87
90
91
88
90
87
87
84
85
85

Pressure (mb)

1004
1003
1002
1001
1000
1000
1000
1001
1001
1000
1001
1000
1000
1000
1000
1000
1000
1000
1000
1001
1000
1000
1000
1001

Ozone (du)

311
311
314
316
318
320
324
323
322
319
318
316
316
317
320
318
318
319
320
320
325
328
328
330

Monday 12

Waning Crescent 26%

03:51

11:46

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
14 Bad
15 Bad

Sun - Rise: 08:09, Set: 16:27, Transit: 12:19. Moon - Rise: 03:51, Set: 11:46. Civil Dark: 17:05 - 07:31. Nautical Dark: 17:47 - 06:49. Astro Dark: 18:27 - 06:09

Total Clouds (% Sky Obscured)

69
80
90
100
100
91
83
82
89
94
100
100
100
100
100
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

53
53
55
55
55
55
54
54
56
55
55
60
69
78
73
70
66
64
62
60
69
75
81
69

Medium Clouds (% Sky Obscured)

0
0
18
37
60
45
57
30
30
30
30
39
48
57
75
88
100
100
100
96
100
100
99
88

High Clouds (% Sky Obscured)

43
73
86
100
100
70
40
15
37
67
100
100
100
100
100
100
100
100
100
72
77
40
25
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
0
8
3
6
8
3
1
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
None
None
None
None
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

23
13
10
8
5
4
3
0
0
1
2
7
25
32
35
45
55
65
49
59
85
87
89
80

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0.3
0.7
0.7
0.7
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
9
9
8
8
8
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
10
10

Feels Like (°C)

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

Dew Point (°C)

8
8
7
8
7
7
7
7
7
7
7
7
7
8
8
8
8
9
9
9
9
9
9
9

Relative Humidity (%)

87
88
90
91
91
91
93
93
95
96
96
96
96
98
100
100
98
98
98
98
100
98
98
98

Pressure (mb)

1001
1002
1002
1003
1003
1004
1004
1005
1005
1005
1005
1005
1004
1004
1004
1004
1003
1003
1003
1003
1002
1002
1001
1001

Ozone (du)

331
331
329
325
324
326
327
327
327
325
328
328
328
332
337
339
339
340
341
345
345
347
349
353

Tuesday 13

Waning Crescent 18%

05:03

12:13

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 Bad
07 Bad
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:09, Set: 16:28, Transit: 12:19. Moon - Rise: 05:03, Set: 12:13. Civil Dark: 17:06 - 07:30. Nautical Dark: 17:48 - 06:48. Astro Dark: 18:28 - 06:09

Total Clouds (% Sky Obscured)

95
93
95
98
100
100
100
100
89
78
67
58
45
25
48
53
47
61
77
94
94
94
94
96

Low Clouds (% Sky Obscured)

58
47
62
77
92
79
65
54
52
49
47
33
19
5
3
2
10
38
54
66
64
61
57
59

Medium Clouds (% Sky Obscured)

94
91
94
97
100
96
91
100
44
25
18
2
2
0
1
0
0
2
7
17
24
27
26
30

High Clouds (% Sky Obscured)

35
34
45
30
41
41
45
35
22
1
0
0
0
0
0
0
0
0
0
0
22
43
64
76

ISS Passover

Visibility (miles)

3
6
9
5
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

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

Precipitation Probability (%)

74
64
60
70
76
75
72
63
51
31
5
3
9
0
2
3
0
2
4
0
1
0
0
4

Precipitation Amount (mm)

0.4
0.3
0.3
0.4
0.5
0.5
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
7
5
5
5
4
4
3
3
2
2
1
1
1
1
1
1
2
2
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

100
96
98
98
96
93
93
93
93
91
90
86
85
85
85
85
83
83
78
74
69
70
70
71

Pressure (mb)

1001
1001
1002
1002
1003
1003
1004
1004
1005
1006
1006
1007
1007
1007
1008
1009
1009
1010
1010
1010
1011
1010
1010
1010

Ozone (du)

355
357
357
357
352
350
347
347
349
359
365
358
352
351
351
348
345
343
339
335
331
332
334
336

Wednesday 14

Waning Crescent 11%

06:10

12:50

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
14 Bad
15 Bad

Sun - Rise: 08:08, Set: 16:30, Transit: 12:19. Moon - Rise: 06:10, Set: 12:50. Civil Dark: 17:08 - 07:30. Nautical Dark: 17:50 - 06:48. Astro Dark: 18:30 - 06:08

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
93
86
77
72
67
63
75
88
100
100
100
100
99
96
94
90

Low Clouds (% Sky Obscured)

58
71
69
69
67
72
74
73
70
68
67
65
64
63
55
46
37
39
44
49
55
64
67
75

Medium Clouds (% Sky Obscured)

32
29
44
63
82
88
94
100
72
48
31
36
36
36
48
58
69
74
84
90
82
73
63
48

High Clouds (% Sky Obscured)

88
100
100
100
100
99
100
100
93
86
77
72
67
63
75
88
100
100
100
100
92
83
75
82

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

Precipitation Probability (%)

6
5
7
6
3
34
58
80
72
58
26
28
25
15
11
6
1
2
3
1
18
26
21
60

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
74
75
76
78
80
83
88
88
86
86
90
93
96
94
94
96
91
88
85
84
82
81

Pressure (mb)

1010
1009
1009
1009
1009
1008
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1004
1004

Ozone (du)

336
336
336
336
336
336
347
358
369
374
380
385
383
380
378
378
377
376
379
382
384
382
379
376

Thursday 15

Waning Crescent 6%

07:07

13:40

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

Sun - Rise: 08:07, Set: 16:31, Transit: 12:20. Moon - Rise: 07:07, Set: 13:40. Civil Dark: 17:09 - 07:29. Nautical Dark: 17:51 - 06:47. Astro Dark: 18:31 - 06:07

Total Clouds (% Sky Obscured)

89
78
81
89
100
100
100
100
100
100
100
98
97
96
96
92
86
88
88
91

Low Clouds (% Sky Obscured)

87
78
81
89
95
92
85
77
74
70
60
43
45
49
49
52
54
61
69
75

Medium Clouds (% Sky Obscured)

32
17
34
52
72
80
87
93
95
98
100
93
88
79
74
61
50
45
40
45

High Clouds (% Sky Obscured)

81
75
81
89
100
100
100
100
100
99
100
67
34
6
6
10
25
35
40
45

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

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

Precipitation Probability (%)

79
91
82
70
71
73
80
71
55
40
22
30
23
10
10
6
1
15
22
26

Precipitation Amount (mm)

0.5
0.6
0.5
0.3
0.3
0.4
0.6
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
4
5
5
4
4
4
4
4
4
5
4
4
2
1
1
1
1

Dew Point (°C)

5
5
4
5
4
4
4
4
3
4
4
4
4
4
4
3
3
3
4
4

Relative Humidity (%)

84
87
90
90
88
88
88
88
86
88
88
90
90
90
91
91
93
93
93
93

Pressure (mb)

1004
1003
1003
1003
1002
1002
1002
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

374
372
370
368
366
364
365
366
367
369
371
373
381
388
396
396
397
397
393
390

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

Generated: 09/01/26 16:13:36. Forecast: 09/01/26 to 15/01/26. Timezone: UTC+0.00