Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 0%

06:41

No Set

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

Sun - Rise: 06:44, Set: 16:43, Transit: 11:44. Moon - Rise: 06:41, Set: No Set. Civil Dark: 17:10 - 06:17. Nautical Dark: 17:41 - 05:46. Astro Dark: 18:11 - 05:16

Total Clouds (% Sky Obscured)

47
50
61
61
76
90
81
21
5
0
0
0
0
0
0
0
0
6
15
15
12
14
5
50

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
0
0

Medium 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

High Clouds (% Sky Obscured)

47
19
61
58
72
85
75
20
4
0
0
0
0
0
0
0
0
6
15
15
12
14
5
50

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
17
17
14
14
13
13
13
14
14
14
13
11
12
12
12
15
19
20
21
20
21
20
19

Dew Point (°C)

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

Relative Humidity (%)

32
37
39
39
40
40
40
44
46
46
44
43
41
45
45
44
36
28
23
21
20
19
18
20

Pressure (mb)

1014
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1017
1016
1015
1015
1015

Ozone (du)

249
249
249
249
250
251
252
251
251
250
248
248
248
249
249
250
250
251
251
252
253
254
255
255

Friday 19

New Moon 1%

07:33

16:19

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 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:45, Set: 16:43, Transit: 11:44. Moon - Rise: 07:33, Set: 16:19. Civil Dark: 17:11 - 06:17. Nautical Dark: 17:41 - 05:47. Astro Dark: 18:12 - 05:16

Total Clouds (% Sky Obscured)

62
84
96
99
100
100
100
100
100
97
93
95
100
100
90
53
27
30
89
85
85
79
75
80

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
0
0

Medium 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

High Clouds (% Sky Obscured)

62
84
96
98
100
100
100
100
100
97
93
95
100
100
89
48
21
25
89
85
85
79
75
80

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)

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

Chance of Frost

Temperature (°C)

20
15
15
15
14
14
13
13
13
12
13
13
12
12
12
12
16
19
20
21
21
21
20
20

Feels Like (°C)

17
13
12
11
10
10
10
10
10
9
9
9
8
9
8
8
13
16
17
16
16
17
16
16

Dew Point (°C)

2
1
1
0
0
-0
-1
-1
-1
-1
-1
-1
-4
-5
-8
-9
-6
-7
-7
-6
-4
-2
-1
0

Relative Humidity (%)

30
38
38
37
38
38
38
38
37
39
39
37
34
30
23
21
21
16
15
16
18
21
24
27

Pressure (mb)

1016
1017
1017
1017
1018
1018
1018
1018
1017
1018
1018
1018
1017
1018
1018
1018
1018
1018
1018
1018
1017
1016
1016
1016

Ozone (du)

254
254
254
255
254
253
253
253
251
251
250
249
248
248
247
248
248
247
246
245
244
244
244
244

Saturday 20

Waxing Crescent 3%

08:19

17:14

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

Sun - Rise: 06:45, Set: 16:44, Transit: 11:45. Moon - Rise: 08:19, Set: 17:14. Civil Dark: 17:11 - 06:18. Nautical Dark: 17:42 - 05:47. Astro Dark: 18:12 - 05:17

Total Clouds (% Sky Obscured)

52
75
62
34
66
54
40
45
45
56
55
98
100
99
100
100
65
58
60
57
55
60
60
60

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
0
0

Medium 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

High Clouds (% Sky Obscured)

52
75
61
33
62
54
40
45
45
56
55
98
100
98
100
100
65
58
60
57
55
60
60
60

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)

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

Chance of Frost

Temperature (°C)

17
14
13
13
12
12
12
12
12
11
12
12
11
11
11
12
14
18
20
20
21
21
21
20

Feels Like (°C)

14
11
11
10
10
11
10
9
9
8
9
9
8
8
9
9
12
15
17
17
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

34
41
43
43
44
46
46
47
48
49
52
50
52
54
57
55
48
40
37
34
32
31
33
37

Pressure (mb)

1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1019
1019
1018
1017
1016
1016
1016

Ozone (du)

243
242
242
241
242
241
241
241
241
241
240
242
242
241
241
241
242
242
242
242
242
243
243
242

Sunday 21

Waxing Crescent 8%

08:59

18:13

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

Sun - Rise: 06:46, Set: 16:44, Transit: 11:45. Moon - Rise: 08:59, Set: 18:13. Civil Dark: 17:12 - 06:18. Nautical Dark: 17:42 - 05:48. Astro Dark: 18:13 - 05:17

Total Clouds (% Sky Obscured)

66
71
76
81
86
88
65
56
37
22
16
10
10
5
5
5
11
21
28
35
40
36
24
26

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
0
0

Medium 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

High Clouds (% Sky Obscured)

66
67
73
81
85
84
62
56
37
22
16
10
10
5
5
5
11
21
28
35
40
36
24
26

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)

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

Chance of Frost

Temperature (°C)

19
15
14
14
14
13
13
13
12
12
12
12
11
11
11
11
14
17
20
20
21
21
20
19

Feels Like (°C)

16
13
12
12
11
11
11
11
10
9
9
9
9
9
8
9
12
15
16
17
17
17
17
16

Dew Point (°C)

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

Relative Humidity (%)

45
55
56
51
48
50
51
49
47
48
50
51
49
47
45
44
35
24
22
20
21
20
21
23

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1018
1018
1018
1018
1017
1015
1014
1014
1014

Ozone (du)

243
244
244
245
247
247
247
248
249
251
251
252
252
251
251
251
251
251
251
251
250
250
249
249

Monday 22

Waxing Crescent 14%

09:34

19:14

16 OK
17 Good
18 Good
19 Bad
20 Bad
21 Bad
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

Sun - Rise: 06:46, Set: 16:45, Transit: 11:46. Moon - Rise: 09:34, Set: 19:14. Civil Dark: 17:12 - 06:19. Nautical Dark: 17:43 - 05:48. Astro Dark: 18:13 - 05:18

Total Clouds (% Sky Obscured)

45
11
13
67
63
60
45
30
30
26
47
73
80
83
89
88
94
100
100
100
100
100
99
99

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
23
46
69

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
15
23
20
0
0
0
11
22
34
25
16
7
36
66
96

High Clouds (% Sky Obscured)

45
10
12
67
63
60
45
30
30
26
47
73
80
83
89
88
94
100
100
100
100
98
97
90

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
1
1
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)

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

Chance of Frost

Temperature (°C)

18
14
12
11
11
10
10
9
9
9
8
8
8
8
8
8
10
12
14
14
14
15
14
13

Feels Like (°C)

15
12
12
11
9
8
7
7
7
6
9
9
8
8
7
7
6
6
6
12
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

32
44
50
49
47
49
49
51
53
52
52
49
47
45
43
41
36
31
28
29
28
28
31
34

Pressure (mb)

1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1014
1014
1014

Ozone (du)

251
250
251
252
252
252
252
254
254
256
258
258
258
257
257
256
255
255
254
254
255
255
256
258

Tuesday 23

Waxing Crescent 22%

10:05

20:16

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:46, Set: 16:45, Transit: 11:46. Moon - Rise: 10:05, Set: 20:16. Civil Dark: 17:13 - 06:19. Nautical Dark: 17:44 - 05:48. Astro Dark: 18:14 - 05:18

Total Clouds (% Sky Obscured)

99
100
100
100
100
99
98
96
95
95
93
94
97
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

78
86
95
91
87
83
72
61
49
55
61
69
78
86
92
91
91
90
91
92
93
94
96
97

Medium Clouds (% Sky Obscured)

97
98
99
99
100
99
98
96
95
95
93
94
97
99
100
100
100
100
90
81
71
50
29
8

High Clouds (% Sky Obscured)

90
87
75
66
57
39
27
36
52
50
42
65
86
93
100
92
83
75
70
60
55
30
18
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
7
6
4
3
1
1
0
0
0
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
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

2
5
5
12
12
5
21
27
30
54
75
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.9
1.2
1.4
1.1
0.8
0.7
0.6
0.6
0.6
1.1
2.3
4.4

Wind Speed/Direction (mph)

8
9
10
10
9
8
9
9
9
9
10
10
9
10
11
13
13
13
14
16
17
19
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
8
7
8
8
9
9
8
9
9
9
8
8
7
7
8
8
9
8
8
8
8
8
8

Dew Point (°C)

-2
-2
-3
-2
-1
1
2
3
3
3
5
7
9
9
10
10
11
11
11
11
11
10
10
10

Relative Humidity (%)

37
39
40
42
46
51
56
58
61
63
73
84
96
96
98
98
98
100
98
98
98
98
98
98

Pressure (mb)

1014
1015
1015
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1012
1012
1012
1012

Ozone (du)

259
260
262
264
264
264
265
265
264
264
264
263
263
264
265
266
267
269
270
272
275
277
280
283

Wednesday 24

Waxing Crescent 21%

10:34

21:17

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

Sun - Rise: 06:47, Set: 16:46, Transit: 11:47. Moon - Rise: 10:34, Set: 21:17. Civil Dark: 17:13 - 06:20. Nautical Dark: 17:44 - 05:49. Astro Dark: 18:14 - 05:19

Total Clouds (% Sky Obscured)

100
100
100
99
98
97
85
72
56
69
75
92
89
86
83
78
73
68

Low Clouds (% Sky Obscured)

98
99
100
99
98
97
85
72
56
69
75
92
80
67
53
73
69
64

Medium Clouds (% Sky Obscured)

5
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
4
0
0
0
0
3
4
6
12
17
23
20
18
20
12
9
6

ISS Passover

Visibility (miles)

0
0
0
0
1
1
2
2
1
1
4
7
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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
64
63
45
15
18
18
19
25
26
15
22
20
11

Precipitation Amount (mm)

3
2.6
3.3
0.7
0.4
0
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
18
15
12
13
14
14
14
13
11
11
11
10
10
9
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
96
95
90
88
87
88
87
87
87
87
88
93
94
87
78

Pressure (mb)

1013
1014
1014
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1019
1020
1020
1021

Ozone (du)

286
284
283
282
278
274
270
267
264
262
264
266
269
268
268
267
266
265

Forecast for Descanso, San Diego County, United States of America (32.85,-116.62)

Generated: 18/12/25 15:43:35. Forecast: 18/12/25 to 24/12/25. Timezone: UTC-8.00