Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 9

Waning Gibbous 52%

00:02

11:13

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:22, Set: 16:55, Transit: 12:09. Moon - Rise: 00:02, Set: 11:13. Civil Dark: 17:25 - 06:52. Nautical Dark: 17:58 - 06:18. Astro Dark: 18:31 - 05:46

Total Clouds (% Sky Obscured)

75
81
85
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

16
20
83
87
85
91
77
78
66
88
52
38
28
17
18
30
26
30
44
77
66
86
94
94

Medium Clouds (% Sky Obscured)

64
55
85
100
59
91
90
33
22
59
38
25
36
87
96
98
99
91
97
100
100
100
100
100

High Clouds (% Sky Obscured)

75
81
85
100
100
100
100
100
100
100
100
100
100
100
100
100
88
100
100
66
98
95
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
3
3

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

Precipitation Probability (%)

0
10
68
91
95
69
33
5
0
0
0
0
0
1
3
2
0
1
2
9
35
80
95
95

Precipitation Amount (mm)

0
0
0.4
0.6
0.9
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
1.3
2.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
5
6
7
9
9
9
10
11
11
11
10
10
9
7
7
6
5
2
1
-0
-0
1
3

Relative Humidity (%)

64
66
72
81
91
93
91
93
95
95
95
95
95
91
85
85
87
79
68
63
60
60
70
83

Pressure (mb)

1021
1019
1019
1018
1018
1018
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1020

Ozone (du)

278
275
275
276
276
276
278
279
277
279
275
272
271
267
267
267
268
268
271
275
276
275
276
274

Saturday 10

Third Quarter 42%

01:04

11:36

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 OK
09 OK
10 Good
11 Good
12 OK

Sun - Rise: 07:21, Set: 16:56, Transit: 12:09. Moon - Rise: 01:04, Set: 11:36. Civil Dark: 17:26 - 06:52. Nautical Dark: 17:59 - 06:18. Astro Dark: 18:32 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
93
92
100
35
35
3
1
24

Low Clouds (% Sky Obscured)

95
98
94
96
87
95
92
97
99
100
100
93
93
89
71
62
36
21
6
2
0
1
1
19

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
80
86
77
42
98
99
98
99
93
92
100
35
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
45
79
35
26
22
25
20
1
0
0

ISS Passover

Visibility (miles)

4
4
1
2
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
1
0
9
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
56
12
12
7
8
7
1
1
0
0
1
1
0
0
0
0
3

Precipitation Amount (mm)

3.5
3.8
4.4
4
1.9
0.9
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
9
8
8
6
8
6
4
3
2
3
3
3
4
4
5
9
11
11
9
9
11
12
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
5
5
5
5
4
4
4
4
4
4
5
5
5
6
6
5
3
0
-3
-3
-4
-4
-4

Relative Humidity (%)

90
94
94
96
94
93
91
91
91
91
91
93
94
96
98
96
90
81
71
63
62
54
50
48

Pressure (mb)

1018
1016
1016
1014
1014
1014
1013
1013
1012
1011
1011
1011
1010
1011
1011
1011
1011
1011
1012
1013
1013
1013
1013
1012

Ozone (du)

269
270
271
271
274
274
274
275
277
279
281
283
286
285
286
286
287
291
293
296
302
309
317
329

Sunday 11

Waning Crescent 33%

02:06

12:02

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

Sun - Rise: 07:21, Set: 16:57, Transit: 12:10. Moon - Rise: 02:06, Set: 12:02. Civil Dark: 17:27 - 06:51. Nautical Dark: 18:00 - 06:18. Astro Dark: 18:33 - 05:46

Total Clouds (% Sky Obscured)

40
37
32
12
52
47
42
36
26
28
1
1
1
1
1
81
86
86
66
42
28
44
59
74

Low Clouds (% Sky Obscured)

40
35
28
1
49
46
42
36
26
28
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

4
0
0
10
0
11
0
0
0
0
0
0
0
0
0
0
30
25
19
8
5
10
16
24

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
80
85
85
60
30
0
0
0
1

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 (%)

20
1
0
0
1
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)

15
16
16
16
16
17
17
17
16
16
15
15
14
14
12
11
10
9
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-4
-7
-8
-7
-8
-8
-9
-9
-9
-8
-8
-9
-9
-9
-8
-9
-8
-8
-7
-7
-8
-8
-8

Relative Humidity (%)

45
47
40
41
47
46
48
50
48
51
54
52
52
53
53
55
55
57
58
62
58
52
46
43

Pressure (mb)

1011
1011
1011
1012
1013
1015
1016
1017
1017
1018
1019
1020
1020
1022
1023
1023
1023
1024
1025
1025
1026
1026
1026
1025

Ozone (du)

328
339
366
400
417
422
429
428
398
384
376
373
372
369
361
353
347
346
346
349
349
342
337
333

Monday 12

Waning Crescent 24%

03:08

12:33

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

Sun - Rise: 07:21, Set: 16:58, Transit: 12:10. Moon - Rise: 03:08, Set: 12:33. Civil Dark: 17:28 - 06:51. Nautical Dark: 18:01 - 06:18. Astro Dark: 18:34 - 05:45

Total Clouds (% Sky Obscured)

74
58
43
21
13
63
75
65
54
17
40
65
72
76
81
47
25
0
0
0
0
37
51
54

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
5
45
31
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

25
31
24
17
9
58
45
45
52
17
27
55
65
65
70
47
25
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
4
10
10
0
17
40
65
72
76
75
47
23
0
0
0
0
37
51
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
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

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
37
36
36
40
41
44
45
45
50
55
57
60
60
53
49
48
49
50
52
49
45
44
42

Pressure (mb)

1024
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1021
1021
1021
1021
1022
1022
1021
1019

Ozone (du)

328
327
328
330
331
339
344
348
351
355
364
371
370
368
366
365
361
359
354
349
346
340
337
334

Tuesday 13

Waning Crescent 16%

04:10

No Set

13 Bad
14 Bad
15 OK
16 Bad
17 Bad
18 Bad
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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:20, Set: 16:59, Transit: 12:10. Moon - Rise: 04:10, Set: No Set. Civil Dark: 17:29 - 06:51. Nautical Dark: 18:02 - 06:18. Astro Dark: 18:34 - 05:45

Total Clouds (% Sky Obscured)

59
52
48
62
71
83
37
84
91
90
92
94
100
100
100
100
100
100
100
99
99
99
99
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
35
35
25
19
14
9
25
19
13
22
32
41

Medium Clouds (% Sky Obscured)

3
7
13
40
47
45
10
14
59
50
45
35
100
99
100
98
96
98
99
99
99
97
98
100

High Clouds (% Sky Obscured)

59
52
48
62
68
72
20
78
84
81
81
82
99
98
97
98
99
100
97
80
66
74
87
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 (%)

0
0
0
0
0
0
0
0
0
0
0
5
15
23
27
31
29
25
21
17
8
18
24
26

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)

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

Chance of Frost

Temperature (°C)

8
8
9
8
7
6
5
5
4
4
4
5
5
5
5
5
4
4
4
5
5
6
6
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
40
41
41
46
51
56
55
55
55
57
55
55
57
60
63
67
71
75
73
73
72
69
63

Pressure (mb)

1018
1017
1016
1015
1015
1014
1014
1013
1012
1012
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1008
1007
1006

Ozone (du)

335
336
334
331
329
331
333
329
326
328
328
329
331
332
332
332
335
337
339
342
346
349
349
349

Wednesday 14

Waning Crescent 10%

05:09

13:10

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:20, Set: 17:00, Transit: 12:11. Moon - Rise: 05:09, Set: 13:10. Civil Dark: 17:30 - 06:51. Nautical Dark: 18:03 - 06:17. Astro Dark: 18:35 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
91
88
88
93
100
100
100
100
100
100
100
100
100
98
97

Low Clouds (% Sky Obscured)

35
21
0
0
0
0
0
0
0
0
3
11
41
65
88
95
99
100
100
100
100
97
96
85

Medium Clouds (% Sky Obscured)

95
89
82
82
82
81
68
56
43
66
88
88
93
100
100
100
100
100
100
100
100
99
98
97

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
91
88
88
93
100
100
97
90
81
84
77
50
21
7
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
2
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
None
None
None
None
None
None
Very Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

26
21
11
10
8
2
5
5
1
2
2
1
16
24
34
44
54
62
54
52
47
44
44
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.2
0.2
0.2
0.2
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
62
65
68
74
78
83
82
79
79
80
80
82
85
86
89
89
89
91
89
87
86
87
87

Pressure (mb)

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

Ozone (du)

349
348
347
346
344
343
341
339
338
336
337
339
340
340
341
341
342
344
345
347
348
350
351
352

Thursday 15

Waning Crescent 5%

06:03

13:55

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: 07:20, Set: 17:01, Transit: 12:11. Moon - Rise: 06:03, Set: 13:55. Civil Dark: 17:31 - 06:50. Nautical Dark: 18:04 - 06:17. Astro Dark: 18:36 - 05:45

Total Clouds (% Sky Obscured)

91
75
60
65
65
70
75
80
90
90
80
90
85
95
95
90
95
95

Low Clouds (% Sky Obscured)

70
35
15
10
15
10
10
30
35
35
35
40
40
55
60
60
85
95

Medium Clouds (% Sky Obscured)

91
75
60
65
65
63
43
23
1
1
0
0
12
23
33
54
74
95

High Clouds (% Sky Obscured)

3
4
0
0
0
10
16
22
23
19
9
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
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

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

54
57
59
59
56
57
57
55
53
49
48
49
49
48
53
56
54
50

Precipitation Amount (mm)

0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.2
0.2
0.2
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-8
-7
-7
-8
-7
-8
-10
-10
-10
-11
-11
-11
-11
-11
-11
-11
-12

Dew Point (°C)

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

Relative Humidity (%)

89
89
91
91
91
91
90
92
92
92
92
94
92
92
92
92
92
90

Pressure (mb)

1006
1006
1006
1007
1007
1008
1009
1009
1009
1010
1010
1010
1011
1011
1012
1013
1014
1015

Ozone (du)

353
355
357
359
361
364
367
373
380
386
388
391
393
390
387
385
379
374

Forecast for Swarthmore, Delaware, United States of America (39.90,-75.35)

Generated: 09/01/26 13:05:36. Forecast: 09/01/26 to 15/01/26. Timezone: UTC-5.00