Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Crescent 2%

08:29

16:49

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:53, Set: 16:20, Transit: 11:36. Moon - Rise: 08:29, Set: 16:49. Civil Dark: 16:51 - 06:22. Nautical Dark: 17:26 - 05:47. Astro Dark: 18:00 - 05:13

Total Clouds (% Sky Obscured)

92
97
93
80
100
100
99
94
98
88
91
88
89
91
100
100
100
100
100
100
100
100
97
93

Low Clouds (% Sky Obscured)

59
46
37
46
83
100
97
90
93
79
86
85
49
54
97
100
100
96
77
85
86
59
51
22

Medium Clouds (% Sky Obscured)

52
52
36
0
3
24
3
55
60
32
2
0
0
0
35
75
93
94
91
85
92
100
84
81

High Clouds (% Sky Obscured)

51
3
31
80
65
52
20
3
14
21
49
59
72
78
100
100
100
91
100
100
100
95
84
69

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
2
1
0
3
4
3
8
7
11
14
9
5
0
0
0
1
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
5
5
6
5
4
3
3
4
3
3
3
4
3
4
3
2
3
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-6
-5
-3
2
2
3
2
2
1
1
-0
-1
-1
-2
-2
-1
-1
-1
-1
-1
-2
-2
-3

Dew Point (°C)

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

Relative Humidity (%)

73
69
70
66
62
64
74
82
86
89
93
94
91
93
93
91
93
89
91
93
93
93
94
94

Pressure (mb)

1019
1018
1017
1015
1014
1013
1012
1012
1012
1012
1012
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013

Ozone (du)

297
296
297
297
298
297
294
291
289
287
289
291
294
296
294
293
289
288
287
285
284
283
286
286

Saturday 22

Waxing Crescent 6%

09:26

17:38

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

Sun - Rise: 06:54, Set: 16:20, Transit: 11:36. Moon - Rise: 09:26, Set: 17:38. Civil Dark: 16:51 - 06:23. Nautical Dark: 17:26 - 05:48. Astro Dark: 18:00 - 05:14

Total Clouds (% Sky Obscured)

95
87
78
49
81
45
42
37
31
54
28
72
63
68
25
17
21
56
66
79
78
100
98
97

Low Clouds (% Sky Obscured)

21
17
34
29
31
40
42
22
31
10
15
19
17
12
8
8
3
4
4
4
4
6
12
15

Medium Clouds (% Sky Obscured)

78
54
7
1
8
0
0
0
0
0
3
3
54
57
3
3
3
40
43
53
38
100
96
93

High Clouds (% Sky Obscured)

74
60
60
23
54
0
0
0
2
26
1
24
25
1
18
2
10
56
66
79
19
24
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
2
2
1
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
77
65
55
49
48
53
60
72
80
83
83
86
89
92
92
92
94
94
94
94
94
92
89

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1012
1013
1014
1015
1016
1016
1017
1017
1017
1017
1017
1018
1017
1017
1017
1017
1018

Ozone (du)

286
285
284
282
283
282
282
283
282
281
282
282
284
285
285
285
284
286
287
287
289
290
295
299

Sunday 23

Waxing Crescent 11%

10:15

18:36

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK

Sun - Rise: 06:55, Set: 16:19, Transit: 11:37. Moon - Rise: 10:15, Set: 18:36. Civil Dark: 16:50 - 06:24. Nautical Dark: 17:25 - 05:49. Astro Dark: 17:59 - 05:15

Total Clouds (% Sky Obscured)

98
92
95
93
93
96
90
93
94
87
60
85
81
92
91
84
85
75
85
41
40
74
63
23

Low Clouds (% Sky Obscured)

66
64
68
63
68
65
75
90
90
85
60
84
76
81
86
79
82
70
76
37
37
74
58
17

Medium Clouds (% Sky Obscured)

95
83
87
85
84
91
76
83
81
68
5
24
41
72
41
1
0
0
0
0
0
0
2
4

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
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
9
9
9
6
5
3
1
2
7
8
6
8
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
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
3
15
13
4
8
9
10
8
15
11
15
46
41
29
12
12
9
7
6
6
7
3
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
1
2
3
3
3
4
3
2
2
2
2
2
2
2
2
3
3
4
6
6
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-4
-2
-0
1
1
2
1
0
-1
-2
-2
-3
-2
-3
-1
-1
0
-1
-1
-1
-2
-3
-4

Dew Point (°C)

-7
-6
-6
-6
-5
-6
-6
-3
-3
-3
-2
-1
-2
-1
-0
1
1
1
1
1
-0
-1
-2
-3

Relative Humidity (%)

81
71
61
54
54
48
49
60
69
76
83
92
94
92
96
98
96
93
94
91
89
83
80
81

Pressure (mb)

1017
1017
1017
1015
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1016
1017

Ozone (du)

302
304
307
307
308
309
311
312
317
321
324
325
325
325
326
324
324
326
328
328
329
330
330
329

Monday 24

Waxing Crescent 18%

10:56

19:40

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

Sun - Rise: 06:57, Set: 16:18, Transit: 11:37. Moon - Rise: 10:56, Set: 19:40. Civil Dark: 16:50 - 06:25. Nautical Dark: 17:25 - 05:50. Astro Dark: 17:59 - 05:16

Total Clouds (% Sky Obscured)

59
31
48
63
59
41
16
2
4
3
2
26
61
98
84
71
55
70
85
100
100
100
100
100

Low Clouds (% Sky Obscured)

59
23
47
63
59
41
16
2
4
3
2
4
4
3
3
3
3
3
3
2
2
3
2
11

Medium Clouds (% Sky Obscured)

45
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
34
48
65
83
100
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
26
61
97
81
64
48
65
83
100
100
100
100
100

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 (%)

5
4
5
5
5
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-1
-0
-1
-0
0
0
0
-2
-3
-4
-5
-7
-8
-8
-9
-9
-9
-8
-8
-7
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

80
72
67
62
61
59
63
65
76
89
92
94
94
92
92
94
92
90
89
84
82
81
81
81

Pressure (mb)

1017
1018
1019
1019
1019
1019
1020
1021
1022
1023
1024
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

328
328
326
321
317
315
312
308
305
302
300
298
296
294
292
290
289
290
291
290
289
293
294
296

Tuesday 25

Waxing Crescent 27%

11:29

20:48

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:58, Set: 16:18, Transit: 11:37. Moon - Rise: 11:29, Set: 20:48. Civil Dark: 16:49 - 06:26. Nautical Dark: 17:24 - 05:51. Astro Dark: 17:59 - 05:17

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)

19
15
17
29
34
56
71
86
88
92
95
97
98
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

94
92
95
98
100
100
100
100
100
100
100
100
100
100
93
84
73
69
72
72
65
53
39
29

High Clouds (% Sky Obscured)

100
100
100
100
100
72
50
30
40
45
60
84
84
83
70
54
44
29
15
0
0
1
1
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
2
0
0
0
0
0
0
0
1
2
2
2
2
2

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

Precipitation Probability (%)

17
21
28
36
42
40
43
39
57
69
95
95
95
95
95
87
68
61
53
44
36
27
13
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.3
0.7
1.4
1.4
0.9
0.6
0.5
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-4
-3
-2
-1
-1
-1
-0
-1
-2
-2
-1
-1
-1
-1
-1
-1
-0
0
0
1
0
-0
-1

Dew Point (°C)

-6
-6
-6
-5
-5
-5
-5
-3
-2
-2
-1
1
2
2
2
2
2
3
3
3
3
3
3
2

Relative Humidity (%)

78
71
66
63
59
55
58
65
73
77
84
98
98
98
100
98
98
100
98
98
100
98
100
98

Pressure (mb)

1028
1028
1027
1026
1025
1025
1024
1024
1024
1023
1023
1023
1022
1022
1021
1020
1020
1019
1019
1018
1018
1018
1017
1017

Ozone (du)

296
298
296
294
290
286
285
284
284
284
283
284
284
283
282
282
282
282
280
279
277
276
276
275

Wednesday 26

Waxing Crescent 36%

11:56

21:57

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:59, Set: 16:17, Transit: 11:38. Moon - Rise: 11:56, Set: 21:57. Civil Dark: 16:49 - 06:27. Nautical Dark: 17:24 - 05:52. Astro Dark: 17:58 - 05:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
95
92
90
83
81
87
90
97
96
96
95
92
87
85
83

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
82
65
47
44
41
38
36
37
39
26
22
13
25
41
59
65

Medium Clouds (% Sky Obscured)

18
8
5
2
2
2
3
3
3
3
7
14
7
2
23
44
65
79
90
95
92
87
85
77

High Clouds (% Sky Obscured)

9
0
0
51
60
60
55
30
30
25
10
0
0
0
5
10
25
30
65
70
55
55
50
30

ISS Passover

Visibility (miles)

2
2
2
3
3
3
3
3
3
3
3
3
3
3
2
2
1
0
0
0
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
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

12
4
4
5
0
3
7
7
34
53
61
57
46
8
29
37
47
46
45
44
65
82
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0
0
0
0
0.2
0
0
0
0.3
0.4
0.6
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
98
96
96
98
98
98
98
100
100
98
100
98
98
100
100
98
98
100
100
100
100

Pressure (mb)

1017
1016
1016
1015
1014
1013
1012
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1008
1007
1007

Ozone (du)

275
274
274
274
274
274
272
271
269
270
270
271
271
271
272
272
272
273
273
274
274
275
275
276

Thursday 27

Waxing Crescent 47%

12:20

23:07

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 OK
21 OK
22 OK
23 Good
00 Good

Sun - Rise: 07:00, Set: 16:17, Transit: 11:38. Moon - Rise: 12:20, Set: 23:07. Civil Dark: 16:48 - 06:28. Nautical Dark: 17:24 - 05:53. Astro Dark: 17:58 - 05:19

Total Clouds (% Sky Obscured)

82
79
87
91
98
97
95
94
81
67
54
47
37
23
15
8
8

Low Clouds (% Sky Obscured)

66
72
74
81
97
97
95
94
77
59
44
33
21
12
5
5
5

Medium Clouds (% Sky Obscured)

76
75
78
85
93
89
81
77
58
39
14
13
11
10
7
2
2

High Clouds (% Sky Obscured)

20
10
5
10
10
4
12
13
16
8
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
1
4
6
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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
71
71
73
61
58
48
17
14
14
11
11
9
1

Precipitation Amount (mm)

1
1
0.8
0.7
0.4
0.4
0.4
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
100
100
100
94
90
85
82
77
74
75
77
78
80
78

Pressure (mb)

1007
1006
1006
1005
1004
1003
1004
1005
1006
1007
1008
1008
1009
1009
1010
1010
1010

Ozone (du)

278
280
282
286
289
292
298
304
310
311
311
312
316
319
323
323
323

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 21/11/25 08:31:58. Forecast: 21/11/25 to 27/11/25. Timezone: UTC-5.00