Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 15

Waning Gibbous 89%

00:35

07:05

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

Sun - Rise: 05:15, Set: 20:56, Transit: 13:06. Moon - Rise: 00:35, Set: 07:05. Civil Dark: 21:37 - 04:34. Nautical Dark: 22:34 - 03:36. Astro Dark: 00:01 - 02:06

Total Clouds (% Sky Obscured)

34
58
67
22
5
1
26
41
20
30
1
2
14
20
29
74
62
30
0
0
20
39
51
33

Low Clouds (% Sky Obscured)

10
13
2
0
0
0
26
41
20
30
0
0
0
7
26
74
62
30
0
0
20
39
51
33

Medium Clouds (% Sky Obscured)

34
2
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)

34
58
67
22
5
1
3
4
2
3
1
2
14
20
27
8
2
4
0
0
4
4
0
4

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)

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

Chance of Frost

Temperature (°C)

13
14
15
16
18
18
19
19
19
18
16
15
13
12
11
10
9
9
8
8
8
9
10
11

Feels Like (°C)

9
10
11
13
14
17
17
17
18
17
15
14
13
11
9
8
9
8
8
7
7
8
9
11

Dew Point (°C)

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

Relative Humidity (%)

61
56
53
51
51
52
51
51
57
64
73
82
87
90
88
88
91
91
95
93
93
87
80
70

Pressure (mb)

1026
1026
1026
1026
1025
1025
1025
1025
1024
1025
1025
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

359
358
357
358
357
358
360
360
358
355
354
354
354
355
355
357
356
354
354
355
355
355
355
357

Friday 16

Waning Gibbous 82%

01:19

08:12

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

Sun - Rise: 05:14, Set: 20:57, Transit: 13:06. Moon - Rise: 01:19, Set: 08:12. Civil Dark: 21:39 - 04:32. Nautical Dark: 22:36 - 03:34. Astro Dark: 00:06 - 02:01

Total Clouds (% Sky Obscured)

27
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
41
82
73
59
71

Low Clouds (% Sky Obscured)

27
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
41
82
73
59
71

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)

16
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

13
14
16
17
18
19
20
20
20
19
18
16
14
13
12
11
10
10
9
8
8
8
10
10

Feels Like (°C)

12
13
15
16
17
18
18
19
19
20
20
17
15
14
12
11
10
9
8
8
7
7
8
7

Dew Point (°C)

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

Relative Humidity (%)

61
55
53
49
46
44
43
43
49
58
71
79
80
83
83
80
77
77
77
82
84
81
81
76

Pressure (mb)

1028
1028
1028
1028
1027
1026
1026
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1025
1026
1026
1026
1026

Ozone (du)

356
356
355
354
353
353
352
353
352
352
352
352
353
355
355
354
353
354
354
354
353
353
353
355

Saturday 17

Waning Gibbous 74%

01:51

09:29

10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 OK
17 OK
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 OK
08 Good
09 Good

Sun - Rise: 05:13, Set: 20:59, Transit: 13:06. Moon - Rise: 01:51, Set: 09:29. Civil Dark: 21:41 - 04:30. Nautical Dark: 22:39 - 03:32. Astro Dark: 00:12 - 01:55

Total Clouds (% Sky Obscured)

75
76
65
45
41
34
29
26
0
0
0
7
4
0
0
0
0
0
0
0
0
25
6
1

Low Clouds (% Sky Obscured)

75
76
65
45
41
34
29
26
0
0
0
7
4
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
6
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 (%)

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

Chance of Frost

Temperature (°C)

12
13
14
15
16
17
18
18
18
18
17
15
14
13
12
11
10
9
8
8
8
10
12
14

Feels Like (°C)

10
11
12
13
14
15
17
17
17
18
18
15
14
13
13
11
10
10
8
9
8
10
11
12

Dew Point (°C)

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

Relative Humidity (%)

70
64
60
57
55
52
51
52
55
60
72
82
87
87
87
88
88
88
87
87
82
72
65
59

Pressure (mb)

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

Ozone (du)

356
357
357
357
358
358
358
358
359
360
362
366
367
367
368
368
370
372
373
374
374
373
373
372

Sunday 18

Waning Gibbous 64%

02:14

No Set

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

Sun - Rise: 05:11, Set: 21:00, Transit: 13:06. Moon - Rise: 02:14, Set: No Set. Civil Dark: 21:42 - 04:29. Nautical Dark: 22:41 - 03:30. Astro Dark: 00:18 - 01:48

Total Clouds (% Sky Obscured)

0
1
1
5
10
14
20
24
22
21
27
30
25
72
22
24
28
33
26
20
11
25
38
43

Low Clouds (% Sky Obscured)

0
0
0
5
10
14
16
8
0
0
0
0
0
0
0
3
6
8
10
12
11
21
30
37

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
12
23
22
21
27
30
25
31
20
24
28
33
26
17
4
4
4
5

High Clouds (% Sky Obscured)

0
1
1
0
0
0
0
1
1
1
0
0
0
10
3
3
0
0
0
0
0
2
6
8

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
6
7
5
11
11
10
10
8
2
2
1
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
8
7
6
7
8
6
4
3
3
3
4
4
4
5
6
6
6
7
7

Chance of Frost

Temperature (°C)

15
16
17
18
19
20
21
20
20
19
18
16
15
14
13
12
11
10
10
9
9
10
12
13

Feels Like (°C)

13
14
15
17
18
19
19
19
19
19
18
16
15
14
11
12
12
11
10
10
9
11
12
12

Dew Point (°C)

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

Relative Humidity (%)

58
58
53
49
47
45
43
43
48
55
65
73
79
84
84
86
86
85
87
87
87
80
72
66

Pressure (mb)

1022
1022
1022
1021
1021
1020
1020
1020
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

374
377
378
378
378
378
380
379
379
377
376
375
374
374
375
376
375
376
376
377
378
380
382
383

Monday 19

Waning Gibbous 53%

02:32

10:50

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

Sun - Rise: 05:10, Set: 21:02, Transit: 13:06. Moon - Rise: 02:32, Set: 10:50. Civil Dark: 21:44 - 04:27. Nautical Dark: 22:43 - 03:27. Astro Dark: 00:25 - 01:39

Total Clouds (% Sky Obscured)

41
39
45
47
59
65
59
53
53
40
10
0
0
0
0
27
53
84
85
83
81
79
83
88

Low Clouds (% Sky Obscured)

35
33
31
28
25
22
15
7
4
3
0
0
0
0
0
7
14
21
28
35
43
48
52
57

Medium Clouds (% Sky Obscured)

4
3
3
10
59
29
59
53
17
13
7
0
0
0
0
15
24
32
32
28
12
8
4
4

High Clouds (% Sky Obscured)

7
8
8
6
2
0
0
0
0
0
0
0
0
0
0
1
2
1
1
1
2
2
2
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
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

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 (%)

1
2
24
34
38
37
33
45
49
34
2
0
0
0
0
0
0
0
0
0
0
4
5
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)

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

Chance of Frost

Temperature (°C)

15
16
17
18
18
18
19
18
18
17
16
15
13
12
11
10
10
10
9
9
10
10
11
12

Feels Like (°C)

14
17
18
18
19
17
18
17
16
17
16
15
14
12
12
10
10
10
10
9
9
9
10
10

Dew Point (°C)

7
7
8
9
10
13
12
12
15
16
15
13
12
11
10
9
9
9
8
9
9
10
10
10

Relative Humidity (%)

60
56
53
56
59
69
63
64
81
89
90
90
90
92
92
93
95
96
95
96
96
96
91
89

Pressure (mb)

1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024

Ozone (du)

383
383
383
382
382
382
383
383
385
386
388
388
388
389
393
393
390
387
384
378
372
366
365
363

Tuesday 20

Third Quarter 41%

02:46

12:13

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 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 OK
06 OK
07 Good
08 Good
09 Good

Sun - Rise: 05:09, Set: 21:03, Transit: 13:06. Moon - Rise: 02:46, Set: 12:13. Civil Dark: 21:46 - 04:26. Nautical Dark: 22:46 - 03:25. Astro Dark: 00:34 - 01:29

Total Clouds (% Sky Obscured)

90
92
94
85
76
65
69
70
68
63
55
42
27
16
8
8
9
9
23
30
30
18
9
3

Low Clouds (% Sky Obscured)

68
76
85
76
69
65
57
43
25
20
17
12
10
7
3
3
3
2
2
1
1
1
1
0

Medium Clouds (% Sky Obscured)

3
8
8
12
14
14
15
12
11
11
11
15
21
16
8
8
8
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
32
55
42
27
16
8
8
9
0
2
7
10
7
4
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 (%)

10
15
19
18
19
19
19
17
11
10
6
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
10
10
10
9
9
9
8
8
6
5
3
3
4
4
3
3
2
2
2
2
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
84
82
78
74
70
69
68
67
72
77
82
83
84
87
87
86
85
83
81
79
71
62

Pressure (mb)

1024
1024
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

362
362
362
363
365
366
368
370
373
375
375
375
375
372
370
368
368
367
367
366
366
365
363
362

Wednesday 21

Waning Crescent 30%

02:59

13:36

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

Sun - Rise: 05:08, Set: 21:04, Transit: 13:07. Moon - Rise: 02:59, Set: 13:36. Civil Dark: 21:47 - 04:24. Nautical Dark: 22:48 - 03:23. Astro Dark: 00:44 - N/A

Total Clouds (% Sky Obscured)

3
3
5
10
16
21
25
32
40
28
21
10
15
20
30
33
37
40
60
80
100

Low Clouds (% Sky Obscured)

0
0
0
5
9
14
12
10
9
13
12
4
4
3
1
3
2
1
2
0
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
5
7
23
21
10
15
20
30
32
35
31
32
49
75

High Clouds (% Sky Obscured)

2
3
4
4
4
3
2
6
15
15
20
10
15
20
30
24
23
27
48
70
91

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6

Fog (%)

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

Precipitation Probability (%)

4
6
4
11
14
13
13
12
6
7
5
2
4
1
0
0
0
0
11
26
45

Precipitation Amount (mm)

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
9
10
11
10
10
10
9
7
6
5
4
3
2
2
3
4
4

Chance of Frost

Temperature (°C)

17
18
19
20
20
21
21
22
21
21
19
18
15
14
13
12
12
11
10
11
11

Feels Like (°C)

13
15
15
16
22
23
22
22
21
21
17
16
16
14
13
13
9
8
8
9
9

Dew Point (°C)

9
9
9
9
10
12
13
14
15
15
15
14
13
12
11
11
10
8
7
9
10

Relative Humidity (%)

57
53
50
47
51
56
60
63
66
69
75
79
86
87
89
90
88
84
83
85
90

Pressure (mb)

1021
1021
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016

Ozone (du)

360
359
357
356
356
356
356
356
357
357
357
358
359
359
359
360
363
366
370
370
371

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

Generated: 15/05/25 10:18:43. Forecast: 15/05/25 to 21/05/25. Timezone: UTC+1.00