Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waning Crescent 9%

05:31

17:13

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
07 Bad
08 Bad

Sun - Rise: 07:48, Set: 18:18, Transit: 13:02. Moon - Rise: 05:31, Set: 17:13. Civil Dark: 18:51 - 07:15. Nautical Dark: 19:29 - 06:37. Astro Dark: 20:07 - 05:59

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

64
62
57
66
64
50
54
60
61
67
60
52
59
59
53
38
85
87
92
90
96
95
91
99

Medium Clouds (% Sky Obscured)

100
100
100
95
93
97
100
100
100
100
100
100
100
100
100
81
69
54
53
57
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
99
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
5
7
6
9
9
9
9
9
9
9
9
9
9
0
0
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
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

2
3
4
3
9
36
60
59
65
50
34
35
42
51
51
48
44
42
77
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.3
0.4
0.2
0
0
0
0
0
0
0
0
0.3
0.7
1.7
3.6
5.5
3.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
12
12
11
11
11
11
12
12
12
13
13
12
12
13
13
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
79
79
79
76
76
81
90
93
93
91
87
86
84
79
80
80
81
86
93
98
98
98
98

Pressure (mb)

1020
1020
1020
1019
1019
1018
1017
1017
1016
1015
1015
1014
1014
1013
1012
1010
1009
1008
1007
1006
1004
1003
1002
1001

Ozone (du)

273
273
272
271
272
273
274
274
276
276
276
275
277
277
279
278
277
276
275
276
277
278
276
280

Sunday 19

Waning Crescent 4%

06:41

17:24

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
07 Bad
08 Bad

Sun - Rise: 07:49, Set: 18:16, Transit: 13:02. Moon - Rise: 06:41, Set: 17:24. Civil Dark: 18:50 - 07:16. Nautical Dark: 19:27 - 06:38. Astro Dark: 20:05 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
91
89
64
64
69
91
85
92
79
86
100
99
100
96
100
100
100
100
100
100
81

Low Clouds (% Sky Obscured)

100
100
100
83
87
62
64
57
67
78
84
78
83
81
73
74
69
75
82
82
84
87
92
81

Medium Clouds (% Sky Obscured)

91
80
69
21
1
0
0
34
55
7
36
4
15
95
85
94
91
100
100
95
100
69
94
20

High Clouds (% Sky Obscured)

100
100
45
0
0
0
2
0
0
0
0
0
6
82
45
40
7
0
45
40
100
100
100
55

ISS Passover

Visibility (miles)

0
0
0
0
2
9
9
9
9
9
8
9
9
9
9
9
9
7
6
7
3
3
4
7

Fog (%)

0
0
7
69
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
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
68
55
22
6
2
8
39
40
42
21
21
19
44
39
54
84
95
95
95
95
95
95

Precipitation Amount (mm)

1.9
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
1.4
0.7
0.9
1.2
0.8
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
14
15
14
14
15
15
14
13
12
12
12
12
12
12
12
12
11
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
92
83
82
86
90
92
92
95
93
93
93
93
92
95
95
95
93
95
95

Pressure (mb)

1000
999
998
998
997
997
997
996
996
996
996
996
995
995
994
993
993
992
990
989
988
987
985
985

Ozone (du)

280
280
283
287
288
289
292
291
296
304
301
308
309
305
306
305
304
307
309
312
316
317
317
316

Monday 20

Waning Crescent 1%

07:52

17:35

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
07 Bad
08 Bad

Sun - Rise: 07:51, Set: 18:14, Transit: 13:02. Moon - Rise: 07:52, Set: 17:35. Civil Dark: 18:48 - 07:18. Nautical Dark: 19:26 - 06:40. Astro Dark: 20:03 - 06:02

Total Clouds (% Sky Obscured)

100
100
100
94
87
88
88
79
89
91
87
86
66
66
54
53
65
86
96
95
91
91
85
79

Low Clouds (% Sky Obscured)

83
93
97
88
83
83
78
78
89
85
78
86
66
66
54
53
65
85
85
84
83
83
79
75

Medium Clouds (% Sky Obscured)

62
48
75
40
25
25
18
26
16
31
23
28
43
40
2
0
2
21
58
36
26
24
22
11

High Clouds (% Sky Obscured)

100
100
100
43
9
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
6
5
4
4
7
9
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

94
95
95
95
86
63
61
59
53
39
58
34
43
49
32
26
12
30
44
58
56
52
38
42

Precipitation Amount (mm)

0.5
0.7
0.7
0.8
0.7
0.4
0.4
0.3
0.2
0
0.3
0
0
0.2
0
0
0
0
0
0.2
0.2
0.2
0
0

Wind Speed/Direction (mph)

18
18
21
21
23
23
22
22
23
23
20
19
18
17
16
15
14
12
14
13
15
16
16
16

Chance of Frost

Temperature (°C)

12
12
12
13
13
13
13
13
12
12
12
12
11
11
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
92
93
90
89
87
90
92
92
90
90
88
88
91
93
93
93
88
92
93
90
90
90

Pressure (mb)

984
984
983
982
983
984
985
986
987
989
990
991
991
992
992
993
993
992
992
992
992
993
993
993

Ozone (du)

314
314
315
314
314
314
310
308
304
301
302
302
303
302
301
299
298
297
298
300
301
298
295
295

Tuesday 21

New Moon 0%

09:04

17:48

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
07 Bad
08 Bad

Sun - Rise: 07:53, Set: 18:12, Transit: 13:02. Moon - Rise: 09:04, Set: 17:48. Civil Dark: 18:46 - 07:19. Nautical Dark: 19:24 - 06:41. Astro Dark: 20:02 - 06:03

Total Clouds (% Sky Obscured)

73
65
68
70
72
70
79
79
77
75
78
80
81
77
78
89
93
97
100
100
100
96
100
100

Low Clouds (% Sky Obscured)

70
64
61
57
60
63
67
66
63
60
65
69
72
67
62
62
53
43
38
42
43
66
91
95

Medium Clouds (% Sky Obscured)

2
6
11
19
13
8
3
6
10
13
9
5
0
0
0
2
8
26
49
88
88
38
84
61

High Clouds (% Sky Obscured)

0
1
1
3
16
16
6
2
1
1
13
19
30
50
60
89
93
97
100
96
91
66
82
94

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
Light Rain

Precipitation Probability (%)

38
43
45
44
36
28
26
26
15
14
16
21
13
22
13
9
14
13
6
7
8
3
50
77

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
0.4

Wind Speed/Direction (mph)

16
16
18
20
21
21
20
18
17
14
13
11
10
9
7
6
6
5
4
4
4
5
5
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
84
81
80
80
80
81
81
81
81
79
77
81
88
91
91
91
91
90
91
93
91
88

Pressure (mb)

994
994
995
995
996
996
996
997
997
998
999
999
999
1000
1000
1000
1000
1000
1000
999
999
998
997
996

Ozone (du)

293
292
290
291
290
289
286
284
285
283
284
285
287
284
285
285
285
284
284
286
290
292
294
294

Wednesday 22

Waxing Crescent 1%

09:04

18:03

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
07 Bad
08 Bad

Sun - Rise: 07:54, Set: 18:10, Transit: 13:02. Moon - Rise: 09:04, Set: 18:03. Civil Dark: 18:44 - 07:21. Nautical Dark: 19:22 - 06:43. Astro Dark: 20:00 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
99
99
92
86
78
84
93
100
92
87
82
87
93
93
95
97

Low Clouds (% Sky Obscured)

98
98
95
92
91
91
91
92
94
95
88
82
73
75
76
78
71
65
58
70
81
93
92
91

Medium Clouds (% Sky Obscured)

96
92
88
92
90
65
89
69
41
13
23
25
35
60
68
37
30
27
31
23
12
2
13
26

High Clouds (% Sky Obscured)

100
72
100
99
89
84
68
51
86
95
70
41
10
10
15
2
2
2
2
1
1
0
0
0

ISS Passover

Visibility (miles)

9
9
1
0
0
0
1
0
1
9
2
0
0
0
0
0
4
3
3
2
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
87
72
52
46
56
57
88
86
82
95
95
76
74
71
60
67
72

Precipitation Amount (mm)

0.8
0.9
1.2
1.1
0.8
0.8
1.1
0.5
0.4
0
0
0
0
0.5
0.5
0.5
0.9
0.7
0.3
0.3
0.3
0
0.3
0.3

Wind Speed/Direction (mph)

13
18
16
17
17
18
20
21
21
22
24
24
24
25
24
25
25
24
24
24
25
25
26
27

Chance of Frost

Temperature (°C)

11
12
12
13
13
14
15
15
14
14
14
14
13
13
13
13
13
13
12
12
12
11
10
10

Feels Like (°C)

8
8
9
10
12
12
12
12
11
10
9
9
9
7
8
7
7
7
8
7
8
8
9
2

Dew Point (°C)

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

Relative Humidity (%)

90
92
96
96
98
98
96
98
96
96
96
98
98
96
98
96
96
95
95
95
90
85
83
82

Pressure (mb)

995
994
994
992
991
990
989
988
988
987
987
987
987
987
986
986
985
985
984
983
984
985
986
987

Ozone (du)

293
293
293
293
293
292
290
292
293
295
295
296
295
298
298
300
300
301
301
301
303
305
307
310

Thursday 23

Waxing Crescent 4%

10:17

18:23

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
07 Bad
08 Bad

Sun - Rise: 07:56, Set: 18:08, Transit: 13:01. Moon - Rise: 10:17, Set: 18:23. Civil Dark: 18:42 - 07:22. Nautical Dark: 19:20 - 06:44. Astro Dark: 19:58 - 06:06

Total Clouds (% Sky Obscured)

99
92
85
76
80
86
91
81
72
65
65
66
65
72
78
84
73
62
49
62
74
86
91
95

Low Clouds (% Sky Obscured)

92
81
71
60
65
69
73
68
66
65
65
66
65
70
72
75
67
58
49
51
52
54
58
62

Medium Clouds (% Sky Obscured)

37
30
22
14
12
9
8
10
14
16
11
5
0
6
11
19
15
7
0
11
16
18
20
18

High Clouds (% Sky Obscured)

0
0
0
0
1
1
2
5
8
24
17
23
17
11
3
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
7
8
8
8
8
8
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

80
72
67
66
59
55
54
49
37
25
24
21
9
23
29
32
36
32
18
23
25
27
44
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
8
8
7
7
6
5
5
4
3
3
2
2
2
1
1
0
0
0
0
0
1

Relative Humidity (%)

82
84
84
84
83
82
81
81
78
75
73
70
69
67
64
63
60
59
57
55
56
58
57
59

Pressure (mb)

987
988
988
989
990
991
993
994
995
997
998
999
1000
1001
1002
1002
1003
1003
1003
1003
1004
1004
1004
1004

Ozone (du)

313
316
318
319
321
321
320
320
321
322
323
326
329
332
331
331
331
327
322
318
317
316
315
316

Friday 24

Waxing Crescent 9%

11:28

18:50

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: 07:58, Set: 18:07, Transit: 13:01. Moon - Rise: 11:28, Set: 18:50. Civil Dark: 18:40 - 07:24. Nautical Dark: 19:18 - 06:46. Astro Dark: 19:56 - 06:08

Total Clouds (% Sky Obscured)

100
94
88
81
72
62
52
64
72
78
80
79
72
60
59
58
52
45
38
47
54
56

Low Clouds (% Sky Obscured)

66
64
62
60
58
55
52
54
56
58
71
79
72
60
59
58
52
45
38
47
54
56

Medium Clouds (% Sky Obscured)

26
23
20
22
17
9
1
7
13
19
19
22
30
24
26
19
17
8
0
11
20
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
8
6
4
2

ISS Passover

Visibility (miles)

9
9
8
7
6
7
8
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

Precipitation Type

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

Precipitation Probability (%)

47
64
67
63
59
56
54
46
40
31
55
75
95
95
89
57
56
52
28
39
36
25

Precipitation Amount (mm)

0
0.3
0.3
0.3
0.3
0.3
0.3
0
0
0
0
0.4
0.6
0.7
0.6
0
0
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
3
4
3
3
3
3
2
2
2
2
3
3
3
3
3
3
3
2
2

Relative Humidity (%)

61
61
63
66
68
67
66
66
65
65
65
68
69
71
71
71
71
71
73
73
70
69

Pressure (mb)

1004
1004
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1003
1004
1005
1005
1006
1007

Ozone (du)

318
319
321
322
324
320
317
313
313
313
312
313
313
313
315
316
318
318
319
320
320
321

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.42)

Generated: 18/10/25 09:17:02. Forecast: 18/10/25 to 25/10/25. Timezone: UTC+1.00