Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 7%

06:28

22:17

21 OK
22 OK
23 OK
00 OK
01 Good
02 Good
03 Good
04 Good
05 OK
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 OK
20 OK

Sun - Rise: 06:04, Set: 20:12, Transit: 13:08. Moon - Rise: 06:28, Set: 22:17. Civil Dark: 20:48 - 05:28. Nautical Dark: 21:31 - 04:43. Astro Dark: 22:22 - 03:51

Total Clouds (% Sky Obscured)

28
33
35
35
0
4
2
0
19
33
16
26
32
44
47
71
94
67
65
59
51
49
39
29

Low Clouds (% Sky Obscured)

28
33
35
33
0
0
0
0
14
22
0
5
30
28
21
29
38
48
53
59
47
47
39
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
18
42
36
12
3
1
1
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
2
2
0
6
27
11
13
5
10
35
71
94
39
3
0
3
2
2
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
2
10
1
2
2
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
5
4
4
3
3
3
2
2
2
3
3
5
7
8
8
7
6
6
7
7
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
88
88
90
90
90
89
91
91
93
85
78
68
65
62
60
58
57
57
60
69
73
74

Pressure (mb)

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

Ozone (du)

409
407
405
404
403
402
400
398
397
394
391
391
392
394
393
392
393
391
390
388
386
384
383
383

Sunday 19

Waxing Crescent 14%

07:04

23:49

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

Sun - Rise: 06:02, Set: 20:14, Transit: 13:08. Moon - Rise: 07:04, Set: 23:49. Civil Dark: 20:50 - 05:25. Nautical Dark: 21:33 - 04:40. Astro Dark: 22:25 - 03:48

Total Clouds (% Sky Obscured)

37
40
44
37
4
0
0
0
4
50
83
93
95
94
95
100
94
78
62
0
68
46
27
13

Low Clouds (% Sky Obscured)

37
40
44
37
4
0
0
0
4
47
68
59
63
57
50
63
57
43
30
0
8
7
0
0

Medium Clouds (% Sky Obscured)

0
0
2
0
0
0
0
0
0
0
0
0
0
2
30
91
90
72
61
0
68
46
27
13

High Clouds (% Sky Obscured)

1
1
1
1
0
0
0
0
0
4
37
64
65
76
85
81
15
10
10
0
15
20
20
13

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
3
0
0
0
1
13
4
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)

4
4
4
4
3
4
3
4
3
3
4
4
6
8
10
10
11
10
11
11
11
11
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
78
78
81
82
85
86
89
89
93
93
85
78
72
65
59
58
57
58
63
66
72
75
78

Pressure (mb)

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

Ozone (du)

384
384
384
383
381
381
380
381
383
385
386
387
389
391
393
395
396
395
396
394
390
389
391
392

Monday 20

Waxing Crescent 24%

07:57

01:12

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

Sun - Rise: 06:00, Set: 20:16, Transit: 13:08. Moon - Rise: 07:57, Set: 01:12. Civil Dark: 20:52 - 05:23. Nautical Dark: 21:36 - 04:38. Astro Dark: 22:28 - 03:45

Total Clouds (% Sky Obscured)

20
43
47
45
40
58
70
87
67
85
88
89
96
95
98
97
97
96
96
94
83
89
89
89

Low Clouds (% Sky Obscured)

3
32
29
14
7
30
42
60
50
65
73
58
53
47
57
40
66
79
73
68
50
38
44
48

Medium Clouds (% Sky Obscured)

20
43
47
45
40
58
70
60
43
38
43
35
79
65
94
97
91
70
81
83
39
76
48
46

High Clouds (% Sky Obscured)

20
20
14
10
9
1
5
15
16
85
86
17
63
15
15
20
20
17
30
15
5
15
31
43

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
1
2
0
1
2
15
2
0
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)

9
8
6
7
7
6
6
7
8
8
10
12
13
15
16
17
17
15
16
17
16
16
17
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
2
2
2
1
0
0
-0
0
1
2
3
3
4
6
6
8
8
8
8
8
5
5

Dew Point (°C)

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

Relative Humidity (%)

75
76
83
88
91
93
94
94
98
96
96
88
82
75
69
67
69
71
72
68
68
72
73
74

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1023

Ozone (du)

393
390
389
389
388
386
385
383
380
379
379
381
379
380
380
379
377
376
375
375
375
374
374
375

Tuesday 21

Waxing Crescent 35%

09:08

02:15

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
16 Bad
17 Bad
18 Bad
19 OK
20 OK

Sun - Rise: 05:57, Set: 20:17, Transit: 13:07. Moon - Rise: 09:08, Set: 02:15. Civil Dark: 20:54 - 05:21. Nautical Dark: 21:38 - 04:35. Astro Dark: 22:31 - 03:41

Total Clouds (% Sky Obscured)

90
74
69
62
73
80
89
92
93
95
97
98
100
99
100
100
98
96
93
77
67
53
43
37

Low Clouds (% Sky Obscured)

48
36
17
0
9
17
25
29
34
39
26
13
0
7
14
21
17
13
9
6
3
0
0
0

Medium Clouds (% Sky Obscured)

29
15
16
35
41
48
53
46
31
38
44
42
40
55
80
100
97
92
52
46
37
32
24
23

High Clouds (% Sky Obscured)

57
44
48
51
48
44
53
57
64
70
80
90
100
90
99
100
92
81
72
36
47
22
6
19

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)

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

Chance of Frost

Temperature (°C)

9
8
7
6
6
5
5
5
5
5
5
7
9
11
12
13
14
15
15
16
15
14
13
11

Feels Like (°C)

4
3
2
2
1
1
1
1
1
1
1
2
4
5
6
7
9
10
11
11
12
10
9
8

Dew Point (°C)

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

Relative Humidity (%)

78
84
87
88
90
91
91
93
93
93
85
79
78
72
65
63
63
63
64
65
66
69
72
72

Pressure (mb)

1023
1023
1023
1024
1024
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1023

Ozone (du)

375
376
375
375
377
377
377
378
379
378
380
380
378
380
379
379
379
379
378
378
376
375
374
373

Wednesday 22

Waxing Crescent 46%

10:30

02:59

21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:55, Set: 20:19, Transit: 13:07. Moon - Rise: 10:30, Set: 02:59. Civil Dark: 20:56 - 05:19. Nautical Dark: 21:40 - 04:32. Astro Dark: 22:34 - 03:38

Total Clouds (% Sky Obscured)

31
35
32
32
36
36
40
52
61
68
100
100
85
95
100
100
100
100
100
92
76
65
61
54

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
19
36
54
0
0
0
0
0
0
0
0
0
2
3
4
3
1

Medium Clouds (% Sky Obscured)

16
18
19
21
22
27
26
22
16
13
3
3
3
4
9
20
27
28
28
29
27
14
9
9

High Clouds (% Sky Obscured)

23
14
2
0
1
2
0
1
1
1
57
86
85
95
95
95
85
80
70
51
31
22
21
14

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
5
8
8
16
22
28
23
16
1
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
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
7
7
6
6
5
4
4
3
3
4
7
9
11
13
14
15
16
16
16
15
15
14
11

Feels Like (°C)

6
4
3
4
4
3
2
2
1
1
2
4
4
5
6
6
7
13
13
12
12
13
13
10

Dew Point (°C)

5
4
4
4
3
3
3
3
2
1
1
3
4
4
5
6
7
8
8
8
9
9
10
8

Relative Humidity (%)

77
79
79
82
82
85
89
91
89
88
82
74
67
62
60
59
58
59
59
59
65
70
76
80

Pressure (mb)

1023
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1022
1022
1023
1022
1022
1022
1021
1021
1021
1021
1021
1020
1021

Ozone (du)

374
375
373
373
374
374
373
371
369
368
364
365
366
368
370
373
376
373
370
367
367
368
368
367

Thursday 23

Waxing Crescent 58%

11:56

03:29

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
16 Bad
17 OK
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:53, Set: 20:21, Transit: 13:07. Moon - Rise: 11:56, Set: 03:29. Civil Dark: 20:57 - 05:17. Nautical Dark: 21:42 - 04:30. Astro Dark: 22:37 - 03:35

Total Clouds (% Sky Obscured)

50
58
70
87
54
40
41
59
78
94
96
97
97
89
82
75
68
62
54
41
35
40
66
68

Low Clouds (% Sky Obscured)

0
0
0
0
6
15
24
41
53
64
54
50
45
28
17
11
10
8
9
9
16
15
14
19

Medium Clouds (% Sky Obscured)

6
7
7
11
14
18
19
21
23
35
32
18
19
18
18
18
16
14
13
9
4
0
3
5

High Clouds (% Sky Obscured)

6
28
49
71
48
24
0
1
3
5
19
31
44
34
22
8
7
5
4
3
3
2
2
2

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
7
9
11
9
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
9
8
7
2
2
1
2
2
2
2
2
1
1
1
1
9
9
10
10
10
10
8

Dew Point (°C)

7
5
5
4
2
2
3
3
3
2
2
2
2
2
2
4
5
5
6
6
7
8
8
7

Relative Humidity (%)

82
87
90
91
91
91
89
88
83
79
74
72
71
69
65
63
61
61
60
60
64
70
73
77

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1020
1020
1021

Ozone (du)

367
366
368
370
372
369
366
363
365
367
369
368
368
367
368
369
370
371
371
371
371
371
371
372

Friday 24

First Quarter 69%

13:20

03:49

21 Bad
22 Bad
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 OK

Sun - Rise: 05:51, Set: 20:22, Transit: 13:07. Moon - Rise: 13:20, Set: 03:49. Civil Dark: 20:59 - 05:15. Nautical Dark: 21:44 - 04:27. Astro Dark: 22:39 - 03:31

Total Clouds (% Sky Obscured)

70
61
43
24
37
47
62
73
83
97
89
78
68
58
48
38

Low Clouds (% Sky Obscured)

13
11
9
7
26
43
62
71
83
93
84
75
65
57
48
37

Medium Clouds (% Sky Obscured)

9
8
5
0
1
1
2
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
85
88
93
90
86
83
82
80
79
76
74
70
67
64

Pressure (mb)

1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

372
373
372
370
369
368
366
365
363
361
359
363
367
371
370
369

Forecast for Twerton, Bath and North East Somerset, United Kingdom (51.36,-2.38)

Generated: 18/04/26 20:57:31. Forecast: 18/04/26 to 24/04/26. Timezone: UTC+1.00