Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Gibbous 69%

02:36

08:57

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:54, Set: 20:05, Transit: 13:00. Moon - Rise: 02:36, Set: 08:57. Civil Dark: 20:42 - 05:17. Nautical Dark: 21:28 - 04:31. Astro Dark: 22:21 - 03:37

Total Clouds (% Sky Obscured)

94
96
97
85
90
100
100
100
100
100
98
96
92
100
93
84
100
100
100
100
82
72
74
81

Low Clouds (% Sky Obscured)

59
87
74
78
62
47
47
38
44
30
23
0
0
0
24
37
30
43
43
28
25
35
34
28

Medium Clouds (% Sky Obscured)

92
96
92
35
90
92
96
100
95
99
94
92
89
71
91
80
46
100
97
85
59
65
28
27

High Clouds (% Sky Obscured)

94
73
78
53
72
100
100
100
100
100
86
75
78
88
63
74
100
100
100
83
6
59
66
81

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 (%)

15
18
30
21
14
0
5
25
36
32
13
1
0
0
0
0
1
5
5
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
11
12
12
12
12
10
10
10
11
11
12
13
13
14
15
16
15
14
14
15
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
84
87
87
84
85
84
84
84
78
75
76
77
77
77
72
63
59
56
60
56
61
63
67

Pressure (mb)

1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1009
1009

Ozone (du)

375
377
377
377
376
376
374
374
373
372
370
369
369
370
370
371
371
372
374
376
376
374
374
373

Saturday 19

Waning Gibbous 59%

03:16

10:08

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

Sun - Rise: 05:52, Set: 20:07, Transit: 13:00. Moon - Rise: 03:16, Set: 10:08. Civil Dark: 20:44 - 05:15. Nautical Dark: 21:30 - 04:28. Astro Dark: 22:24 - 03:33

Total Clouds (% Sky Obscured)

91
62
69
93
98
90
70
81
91
90
89
86
87
73
47
44
24
75
43
73
100
97
89
90

Low Clouds (% Sky Obscured)

12
34
41
49
52
40
47
50
76
78
76
75
78
73
47
44
24
22
23
50
100
84
81
73

Medium Clouds (% Sky Obscured)

21
14
17
18
11
22
42
47
68
41
37
18
13
27
6
4
3
44
31
42
35
68
77
89

High Clouds (% Sky Obscured)

91
62
64
72
87
85
40
35
35
40
47
50
49
41
11
2
1
1
2
3
4
16
5
6

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)

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

Chance of Frost

Temperature (°C)

9
8
6
6
5
4
4
4
4
5
4
5
6
8
9
11
12
13
14
15
15
14
14
13

Feels Like (°C)

5
4
2
2
1
1
1
1
1
1
1
2
2
5
5
8
10
11
12
13
13
13
13
11

Dew Point (°C)

4
3
2
3
3
3
4
4
4
4
4
4
4
4
3
3
3
3
4
4
5
5
7
9

Relative Humidity (%)

69
73
75
83
86
89
94
94
96
94
96
93
83
74
64
58
54
51
50
50
51
53
63
76

Pressure (mb)

1009
1010
1010
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1006
1006
1006

Ozone (du)

373
374
375
375
375
375
373
372
371
371
369
370
370
370
370
370
370
370
369
370
370
370
369
370

Sunday 20

Waning Gibbous 48%

03:44

11:29

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:49, Set: 20:09, Transit: 13:00. Moon - Rise: 03:44, Set: 11:29. Civil Dark: 20:46 - 05:12. Nautical Dark: 21:32 - 04:25. Astro Dark: 22:27 - 03:30

Total Clouds (% Sky Obscured)

95
95
89
60
91
92
86
72
60
52
30
20
15
28
72
92
95
95
97
92
97
96
95
87

Low Clouds (% Sky Obscured)

76
67
84
55
81
84
75
69
54
42
15
10
10
19
72
83
76
59
46
27
18
5
5
15

Medium Clouds (% Sky Obscured)

94
86
29
36
56
47
48
43
36
47
30
20
15
20
18
79
84
83
42
33
42
75
61
72

High Clouds (% Sky Obscured)

6
4
6
5
16
18
11
3
14
5
9
20
15
20
4
21
35
38
40
61
87
82
73
33

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
3
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

0
0
2
1
1
2
17
23
32
42
36
43
45
51
56
62
51
31
16
30
32
44
53
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
87
88
90
85
88
90
93
93
94
94
94
93
93
96
96
95
95
95
90
78
76
79
86

Pressure (mb)

1006
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1009
1009

Ozone (du)

370
370
371
371
371
371
370
370
369
369
369
369
369
370
373
371
369
369
370
369
374
376
382
382

Monday 21

Third Quarter 37%

04:05

12:55

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:47, Set: 20:10, Transit: 13:00. Moon - Rise: 04:05, Set: 12:55. Civil Dark: 20:48 - 05:10. Nautical Dark: 21:35 - 04:23. Astro Dark: 22:30 - 03:27

Total Clouds (% Sky Obscured)

83
77
69
61
54
45
40
64
87
90
89
87
81
75
72
50
86
80
78
77
56
42
25
45

Low Clouds (% Sky Obscured)

30
35
38
39
43
43
40
46
49
48
48
47
46
45
52
39
70
59
34
12
16
14
7
1

Medium Clouds (% Sky Obscured)

59
60
56
56
47
37
29
42
66
72
73
69
59
52
39
30
32
39
47
34
56
42
25
45

High Clouds (% Sky Obscured)

18
0
0
0
0
0
0
0
5
10
12
9
44
2
1
2
6
23
34
43
31
22
13
30

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

15
7
12
10
9
13
11
4
3
2
0
0
0
0
2
16
18
25
22
16
32
39
42
27

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

Chance of Frost

Temperature (°C)

11
9
8
8
7
7
6
6
6
6
6
6
8
10
12
13
14
14
14
15
15
15
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
93
93
91
93
94
93
93
93
96
94
90
85
79
70
65
65
67
67
67
70
80
87

Pressure (mb)

1010
1011
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017

Ozone (du)

385
385
384
384
385
384
380
380
379
380
380
383
388
391
391
389
388
385
384
384
385
387
389
388

Tuesday 22

Waning Crescent 26%

04:20

14:21

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:45, Set: 20:12, Transit: 13:00. Moon - Rise: 04:20, Set: 14:21. Civil Dark: 20:49 - 05:08. Nautical Dark: 21:37 - 04:20. Astro Dark: 22:33 - 03:23

Total Clouds (% Sky Obscured)

70
95
96
98
100
94
90
86
87
86
86
100
100
100
98
96
95
90
85
80
80
81
82
86

Low Clouds (% Sky Obscured)

1
1
31
62
88
83
79
74
75
77
79
100
100
100
96
93
90
81
73
66
67
72
75
79

Medium Clouds (% Sky Obscured)

70
95
96
98
99
84
62
62
51
40
34
84
84
85
79
78
72
72
71
65
61
60
61
52

High Clouds (% Sky Obscured)

30
35
30
2
30
13
34
39
38
26
21
39
43
44
24
13
3
2
1
0
1
2
3
2

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

2
2
23
34
64
88
95
95
93
66
51
95
81
61
52
44
37
40
40
38
40
41
44
34

Precipitation Amount (mm)

0
0
0
0
0.4
0.5
0.7
1
0.7
0.3
0
0.8
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
91
93
91
95
96
96
96
96
98
96
93
90
87
86
84
84
86
87
87
89
88
90

Pressure (mb)

1017
1017
1018
1018
1017
1017
1017
1017
1016
1016
1017
1017
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

387
390
391
393
393
394
394
394
395
396
397
398
398
398
398
395
393
390
390
389
389
388
387
387

Wednesday 23

Waning Crescent 17%

04:33

15:49

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:43, Set: 20:14, Transit: 12:59. Moon - Rise: 04:33, Set: 15:49. Civil Dark: 20:51 - 05:06. Nautical Dark: 21:39 - 04:17. Astro Dark: 22:36 - 03:20

Total Clouds (% Sky Obscured)

90
93
91
88
86
89
92
96
97
99
100
99
98
97
98
99
100
97
96
94
84
72
61
64

Low Clouds (% Sky Obscured)

83
88
84
79
73
79
85
91
94
98
100
98
97
94
96
98
99
76
49
20
23
26
30
22

Medium Clouds (% Sky Obscured)

40
25
14
8
6
8
9
14
25
33
40
27
24
23
21
18
16
22
31
38
27
21
13
22

High Clouds (% Sky Obscured)

2
2
1
1
0
0
0
0
14
25
42
28
12
0
0
0
0
18
34
50
37
25
14
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
6
4
6
8
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

25
14
13
10
4
7
7
3
5
4
0
6
9
9
15
18
21
19
18
15
15
11
4
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
93
93
93
95
95
96
95
96
94
91
88
84
80
76
72
75
76
77
77
76
75

Pressure (mb)

1020
1020
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

386
386
386
385
385
385
384
383
382
381
379
377
375
373
372
370
368
366
366
365
364
362
360
359

Thursday 24

Waning Crescent 9%

04:45

17:18

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

Sun - Rise: 05:41, Set: 20:16, Transit: 12:59. Moon - Rise: 04:45, Set: 17:18. Civil Dark: 20:53 - 05:03. Nautical Dark: 21:41 - 04:15. Astro Dark: 22:39 - 03:16

Total Clouds (% Sky Obscured)

67
73
80
77
76
68
62
58
59
79
96
97
96
95
96
98
99

Low Clouds (% Sky Obscured)

10
1
13
25
36
32
30
27
34
40
48
54
63
75
79
77
79

Medium Clouds (% Sky Obscured)

25
35
33
35
42
39
32
29
27
28
30
28
26
37
45
53
57

High Clouds (% Sky Obscured)

4
1
1
0
0
1
2
3
24
48
71
55
38
22
18
14
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
0
0
0
0
1
0
0
2
2
1
8
10
9
18
24
30

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
87
93
94
96
96
94
94
94
93
91
90
85
82
78
74
73

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1023

Ozone (du)

359
360
361
361
361
362
361
360
360
361
363
364
364
363
363
363
362

Forecast for Bedford, Bedford, United Kingdom (52.14,-0.47)

Generated: 18/04/25 20:04:32. Forecast: 18/04/25 to 24/04/25. Timezone: UTC+1.00