Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 0%

07:22

15:35

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

Sun - Rise: 07:21, Set: 16:54, Transit: 12:08. Moon - Rise: 07:22, Set: 15:35. Civil Dark: 17:23 - 06:52. Nautical Dark: 17:56 - 06:19. Astro Dark: 18:28 - 05:47

Total Clouds (% Sky Obscured)

42
36
36
28
38
44
56
49
48
31
51
40
35
10
5
26
6
6
8
5
1
0
0
3

Low Clouds (% Sky Obscured)

24
31
29
28
38
43
40
46
43
28
23
11
1
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
2
0
0
25
0
0
5
5
5
0
0
2
0
0
0
0
0
0
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
7
10
25
19
19
20
23
15
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
1
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
8
8
8
8
8
7
7
7
8
8
8
8
8
7
8
9
10
10
10
10
11
13
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
53
55
69
78
72
71
71
72
75
76
79
81
81
79
76
73
71
73
74
72
66
62
60

Pressure (mb)

1017
1017
1017
1017
1020
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1020
1021
1021
1021
1019
1018
1017
1015

Ozone (du)

275
273
271
270
270
268
268
269
268
268
269
269
269
268
267
266
266
266
267
266
265
265
265
266

Friday 19

New Moon 1%

08:14

16:23

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

Sun - Rise: 07:22, Set: 16:54, Transit: 12:08. Moon - Rise: 08:14, Set: 16:23. Civil Dark: 17:24 - 06:53. Nautical Dark: 17:57 - 06:20. Astro Dark: 18:29 - 05:48

Total Clouds (% Sky Obscured)

0
0
3
29
44
50
50
50
55
50
20
70
67
77
91
73
54
28
23
24
43
47
45
27

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
19
26
35
49
30
25
11
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
1
15
1
1
5
15
20
26
56
39
35
13
14
10
19
27
23
24

High Clouds (% Sky Obscured)

0
0
0
2
4
5
5
5
5
4
2
11
10
5
5
5
0
1
1
8
23
19
19
7

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
7
7

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
1
0
0
0
0
1
3
14
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
59
60
73
81
80
80
80
81
81
81
81
83
83
83
83
84
83
81
78
69
61
68
69

Pressure (mb)

1014
1013
1013
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1018
1018
1019
1018

Ozone (du)

265
266
267
267
268
268
270
270
271
271
272
271
272
271
271
271
271
272
272
272
271
271
269
268

Saturday 20

Waxing Crescent 0%

08:58

17:19

13 Bad
14 Bad
15 Bad
16 OK
17 Good
18 OK
19 OK
20 OK
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: 07:22, Set: 16:55, Transit: 12:09. Moon - Rise: 08:58, Set: 17:19. Civil Dark: 17:24 - 06:53. Nautical Dark: 17:57 - 06:20. Astro Dark: 18:29 - 05:48

Total Clouds (% Sky Obscured)

50
47
44
34
15
44
30
38
48
81
57
65
56
94
75
75
69
71
72
76
79
81
78
79

Low Clouds (% Sky Obscured)

0
0
0
2
2
1
2
2
2
2
2
2
2
1
1
18
27
35
44
49
50
51
51
49

Medium Clouds (% Sky Obscured)

45
46
44
34
15
44
30
30
29
63
42
8
4
9
47
3
19
12
14
15
13
13
20
20

High Clouds (% Sky Obscured)

4
0
0
0
0
5
9
19
24
38
22
24
30
85
68
63
54
47
7
10
31
35
15
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
0
4
2
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
13
20
24
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
9
0
9
7
8

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)

15
15
12
7
7
5
5
5
7
7
7
6
7
6
6
7
6
6
6
6
5
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
61
63
76
84
86
88
86
87
86
86
86
89
89
89
91
89
89
86
89
89
86
86
86

Pressure (mb)

1017
1017
1017
1018
1019
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1022
1022
1023
1023
1023
1023
1022

Ozone (du)

268
267
266
266
264
264
262
262
262
262
260
259
258
257
256
255
255
254
255
256
255
254
253
254

Sunday 21

Waxing Crescent 3%

09:36

18:20

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

Sun - Rise: 07:23, Set: 16:55, Transit: 12:09. Moon - Rise: 09:36, Set: 18:20. Civil Dark: 17:25 - 06:54. Nautical Dark: 17:58 - 06:21. Astro Dark: 18:30 - 05:49

Total Clouds (% Sky Obscured)

78
74
45
18
33
60
51
65
23
9
3
7
4
4
1
0
12
2
1
4
0
0
4
4

Low Clouds (% Sky Obscured)

41
28
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

29
40
24
4
11
2
1
1
1
2
0
5
4
0
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

15
4
1
4
9
20
20
30
11
3
1
1
0
1
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
7
9
9
9
9
9
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
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 (%)

1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
79
85
94
94
94
94
92
91
91
89
87
87
86
86
86
84
84
83
74
63
55
49

Pressure (mb)

1021
1021
1021
1021
1023
1024
1025
1025
1025
1026
1026
1026
1025
1025
1025
1025
1024
1025
1025
1025
1024
1024
1024
1022

Ozone (du)

253
252
253
254
254
253
253
254
255
255
254
255
255
255
255
256
256
257
256
256
258
258
259
260

Monday 22

Waxing Crescent 8%

10:09

19:24

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

Sun - Rise: 07:23, Set: 16:56, Transit: 12:10. Moon - Rise: 10:09, Set: 19:24. Civil Dark: 17:25 - 06:54. Nautical Dark: 17:58 - 06:21. Astro Dark: 18:30 - 05:49

Total Clouds (% Sky Obscured)

0
33
67
95
96
91
87
81
80
83
75
50
25
24
23
26
28
30
32
24
15
10
11
15

Low 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
6
11

Medium Clouds (% Sky Obscured)

0
0
0
0
4
8
12
5
4
2
7
14
21
22
22
23
25
27
30
22
14
5
4
2

High Clouds (% Sky Obscured)

0
33
67
95
93
86
80
81
80
83
69
38
6
6
5
4
7
9
12
8
4
0
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 (%)

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 (%)

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)

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

Chance of Frost

Temperature (°C)

8
9
7
6
4
3
2
2
2
1
1
1
0
-0
-0
-1
-1
-0
-0
-0
2
4
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
51
56
68
80
82
82
78
73
69
65
64
62
61
61
62
62
62
63
65
55
48
42
41

Pressure (mb)

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

Ozone (du)

260
259
259
259
257
256
258
258
257
257
257
257
257
257
256
256
256
257
257
257
257
257
257
257

Tuesday 23

Waxing Crescent 14%

10:37

20:29

13 OK
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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:24, Set: 16:56, Transit: 12:10. Moon - Rise: 10:37, Set: 20:29. Civil Dark: 17:26 - 06:54. Nautical Dark: 17:59 - 06:22. Astro Dark: 18:31 - 05:50

Total Clouds (% Sky Obscured)

17
39
60
82
78
73
70
60
47
31
47
57
65
73
85
99
100
100
100
99
98
96
97
97

Low Clouds (% Sky Obscured)

16
22
26
32
24
14
4
4
4
4
18
33
46
61
79
93
95
97
99
95
89
82
73
66

Medium Clouds (% Sky Obscured)

0
0
0
2
6
12
30
30
30
15
25
34
44
60
79
98
99
100
100
93
89
89
93
95

High Clouds (% Sky Obscured)

0
20
40
60
62
63
64
58
47
31
47
57
65
46
38
43
33
18
3
14
25
35
34
32

ISS Passover

Visibility (miles)

8
8
8
7
7
5
3
2
1
1
0
0
0
0
0
0
0
0
0
0
1
2
2
2

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

Precipitation Probability (%)

0
5
7
8
14
18
22
39
54
71
74
76
76
70
70
79
79
78
76
61
47
36
32
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.5
0.4
0.4
0.4
0.4
0.4
0.6
0.6
0.6
0.6
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
41
50
59
72
70
72
70
78
86
96
96
94
96
96
96
98
98
100
98
96
94
93
89

Pressure (mb)

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

Ozone (du)

256
256
256
256
256
256
256
256
256
257
257
257
257
258
258
258
259
257
255
253
252
252
252
250

Wednesday 24

Waxing Crescent 22%

11:02

21:34

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

Sun - Rise: 07:24, Set: 16:57, Transit: 12:11. Moon - Rise: 11:02, Set: 21:34. Civil Dark: 17:26 - 06:55. Nautical Dark: 17:59 - 06:22. Astro Dark: 18:31 - 05:50

Total Clouds (% Sky Obscured)

97
98
98
99
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

59
58
55
55
63
71
78
67
55
43
59
75
92
90
87
85

Medium Clouds (% Sky Obscured)

96
94
92
90
92
95
97
98
98
98
99
99
100
100
100
100

High Clouds (% Sky Obscured)

30
44
52
65
64
70
76
82
87
79
24
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

34
30
26
25
30
36
42
43
48
55
73
92
95
93
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.5
0.8
1
0.7
1
1

Wind Speed/Direction (mph)

11
11
11
12
12
14
16
17
17
17
17
17
17
17
18
19

Chance of Frost

Temperature (°C)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2

Feels Like (°C)

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

Dew Point (°C)

1
1
2
2
3
3
2
2
2
2
2
3
3
3
2
2

Relative Humidity (%)

88
86
89
94
98
96
94
93
94
94
96
98
98
100
98
96

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

249
248
247
246
245
246
247
247
248
249
249
251
253
255
256
257

Forecast for Silverton, San Juan, United States of America (37.81,-107.66)

Generated: 18/12/25 13:21:46. Forecast: 18/12/25 to 24/12/25. Timezone: UTC-7.00